河南成教 / 大学英语（III）
正确率：100%
4[单选题]
<span style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'">You ________ him about this since he could find out for himself.</span>
A.needn't tell
B.need tell
C.need have told
D.needn't have told
<span style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'">You ________ him about this since he could find out for himself.</span>
参考答案：