my mother_ me send a letter yesterday

问题描述:

my mother_ me send a letter yesterday
My mother _me send a letter yesterday.
(A) asked (B) had (C) told (D) wanted

B
ask sb.to do sth.
tell sb.to do sth.
waht sb.to do sth.
以上选项都要求有不定式TO,显然只有have sb.do sth.的形式符合题意