He told this to somebody else，not realizing that he .
A. didn't suppose
B. was not supposed
C. didn't suppose to
D. was not supposed to
网友回答
A. didn't suppose
B. was not supposed
C. didn't suppose to
(答案→)D. was not supposed to
解析：此题考查动词不定式的省略。was not supposed to后省略了tell this to somebody else。