Everybody thoutht strange for a shy nab to so many exciting things.
A. this; have done
B. ; have done
C. this; do
D. it, do
网友回答
A. this; have done
(答案→)B. ; have done
C. this; do
D. it, do
解析：第一空用it 为形式宾语，代表后面for的不定式短语；第二空根据句意。要用完成时，表明动作在 through it strange.之前已经完成。