the cap, I couldn't help our team leader.
A. To see； thinking of
B. On seeing； to think of
C. Seeing； thinking of
D. Seeing； to think of
网友回答
A. To see； thinking of
B. On seeing； to think of
(答案→)C. Seeing； thinking of
D. Seeing； to think of
解析： can't help doing表示“情不自禁”。