防止子宫脱垂哪一对韧带最重要（）

A.圆韧带

B.骨盆漏斗韧带

C.阔韧带

D.子宫卵巢韧带

E.主韧带

–Where is Mr. Zhang? –He _________ for two days. Can I give him a message?

A．left

B．has left

C．has been away

D．leaves