关于肿瘤间质，下列叙述不正确的是（）。

A.由结缔组织和血管组成

B.对决定肿瘤的类型起辅助作用

C.起着支持和营养肿瘤实质的作用

D.可出现肌成纤维细胞和淋巴细胞、单核细胞浸润

E.对维持肿瘤的生长起重要作用

______ made the parents proud was ______ their daughter had been admitted into Peking University.

A．What; that

B．What; because

C．That; what

D．That; because