根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Friends play an important part in our lives, and although we may take friendship for granted, we often
don't clearly understand how we make friends. While we get on well with a number of people, 1______.
Moreover, a great many relationships come under the general term "friendship". In all cases, two people
like one another and enjoy being together, but beyond that, the degree of closeness between them and the
reasons for their interest in each other change greatly.
At the beginning, much depends on how people meet, and on good first impressions. As we get to know
people, 2______. Although these factors are not of the greatest importance, it is more difficult to have a good
relationship with people when there is a big difference in age and background.
Then, 3______. Friends will stand closer together and will spend more time looking at each other than
ordinary friends. Smiles and soft voices also express friendliness, and it is because they may give the wrong
signals that shy people often have difficulty making friends. A friendly look with a wrong facial expression
can turn into an unfriendly stare, and nervousness may be wrongly understood as unfriendliness.
Some friendly relationships are a result of argument and discussion, but it is usual for close friends to
have the same ideas and beliefs, the same opinion and interests. The more closely involved people become,
the more they depend on each other. And 4______. Equally, friends have to learn to make allowances for
each other, to put up with annoying habits, and to accept differences in opinion.
In contrast with marriage, 5______. But the support and understanding that results from shared experiences
and affections does seem to create a close and lasting relationship.
A. we are usually friends with only a very few
B. many factors can affect friendship and relationship
C. people want to do friends favors and hate to let them down
D. argument and discussion can improve personal relationships
E. we consider things like age, race, looks,economic and social status, etc
F. we pay attention to actual behavior, facial expression, and the way a person speaks
G. there are no friendship ceremonies to strengthen the relationship between two people