对于双授权业务（）责任。
A.经办柜员负主要
B.经办柜员和授权主管负同等
C.经办柜员和一名主授权主管负同等
D.两名授权主管负同等
参考答案：D
By the time you have finished this book, your meal ______ cold.
A．gets
B．has got
C．will get
D．is getting
溶原性转变
