房间隔缺损X线特征性表现（）

A.右心房、右心室增大，可见“肺门舞蹈”征

B.左、右心室增大，以左心室为主，主动脉弓影较小

C.“靴状”心，肺动脉段凹陷，肺纹理减少

D.“蛋形”心，肺动脉段略凹陷，主、肺动脉干呈前后排列

E.右心房、右心室扩大，肺动脉狭窄后扩张

— I don't know_____ makes her different from others.

— Honesty, I think. [ ]

A. how is it that

B. how it is that

C. what is it that

D. what it is that