问题补充：
On no account to the teacher．
A. is this the first time he has lied
B. this is the first time he has lied
C. is this the first time has he lied
D. this is the first time he is lying
答案：
(答案→)A. is this the first time he has lied
B. this is the first time he has lied
C. is this the first time has he lied
D. this is the first time he is lying
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