“I was touched by the children here who called me ‘Grandpa Wen’ because that’s _______the Chinese children call me at home,” said former premier Wen Jiabao in India．

A．how

B．what

C．why

D．when

以下哪种产妇不是必须在分娩开始前入院（）。

A.胎儿横位

B.胎儿臀位

C.妊娠合并心脏病

D.重症妊高征

E.胎儿左枕前位