However,at times this balance in nature
题型:选择题
问题:
However,at times this balance in nature is _______ resulting in a number of possibly unforeseen effects.
A.troubled
B.disturbed
C.confused
D.puzzled
However,at times this balance in nature is _______ resulting in a number of possibly unforeseen effects.
A.troubled
B.disturbed
C.confused
D.puzzled