— ______ I borrow these magazines?

— Sorry, only the magazines over there can be borrowed. [ ]

A. Must

B. Would

C. May

D. Need

带板式换热器的海水淡化装置蒸发器漏泄可能会导致（）。

A．水喷射器抽真空的吸入管观察镜充满水

B．盐水水位过高

C．主机缸套水的膨胀水柜补水频繁

D．B和C