---What do you think of my answer to the
问题:
---What do you think of my answer to the question?
----Sorry, What’s that? I _______ about something else.
A.am thinking
B.was thinking
C.had thought
D.thought
---What do you think of my answer to the question?
----Sorry, What’s that? I _______ about something else.
A.am thinking
B.was thinking
C.had thought
D.thought