Why didn’t you get your hair?A. cutB. to cutC. cuttingD. be cut

问题补充：

Why didn’t you get your hair?

A. cut

B. to cut

C. cutting

D. be cut

答案：

(答案→)A. cut

B. to cut

C. cutting

D. be cut

解析：get sth done，表示使···被怎样，为固定词组搭配，而cut的过去分词仍然是cut，故选答案为A