下列哪项最有助于高血压心脏病的诊断（）

A.心界向左下扩大

B.主动脉瓣区收缩早期喀喇音

C.主动脉瓣第二音亢进

D.心绞痛

E.血压显著升高

__________ the bananas to go bad, he preferred to sell them at half price.

A．Rather than allowing

B．Rather than to allow

C．More than allow

D．Rather than allow