---Why didn’t you arrive there until three days later?

----Beccause the heavy rain _____the diffculities of the jurney.

A．added

B．added to

C．was added

D．was added to

对医术与医德之间关系的理解有误的为（）

A."大医精诚"

B.有能力做的就应该去做

C."医乃仁术"

D.临床医学决策同时也是伦理决策

E.前沿医学技术应用于临床必须有医德参与