题干
The man you referred to to be an honest man.
A：prove
B：was proved
C：proving
D：proved
答案(点此获取答案解析）
D
The man you referred to to be an honest man.
A：prove
B：was proved
C：proving
D：proved
与直线
，“
”是“直线
与抛物线
有两个不同交点”的（ ）