Mother made a promise ____ I passed the college entrance examination she would buy me a mobile phone.

A．that

B．if that

C．that if

D．that whether

心包（）

A.由胸膜构成

B.浆膜性心包围成心包腔

C.心包腔与心房相通

D.纤维性心包构成心包腔的壁层

E.以上都对