一次性使用血袋如装有保存液，可直接抽取袋内液体作为无菌试验试供液。如未装保存液，则应按袋内表面积加入无菌无热原的生理盐水，在37℃下保存72小时，振摇，作为试供液。袋内表面积和生理盐水容积分别为（）

A.1cm²1ml

B.2cm²1ml

C.5cm²1ml

D.10cm²1ml

E.10cm²5ml

—I hear your journey was not very pleasant.

—But for the sudden rain we _______ a wonderful time.

A．will have

B．should have

C．should have had

D．had