. It was no use pretending that she had not seen him. It wasn’t worth _____.
选择一项：
a. doing 解析：该句中的worth (值得……的)是形容词，它后面只能跟名词或动名词。 A. to do, B. do , C. done 都不是动名词，所以都不符合语法；只有D. doing 是动名词，所以选D.
b. do
c. done
d. to do