在钻井过程中，储层伤害的2个主要因素是（）。
A.压差和浸泡时间
B.压差和钻井液类型
C.钻井液黏度和浸泡时间
D.环空流速和压差
参考答案：A
业主在专项维修资金的（）等各个环节都享有监督权。
A.存取
B.收取
C.使用
D.统筹
E.代管
I have got a lot of CDs of the most popular singers. I can't decide _____. [ ]
A. which one to listen to
B. to listen to which one
C. which one should I listen to
D. what I should listen to
