He wasn’t looking forward to the time ______ he had to give evidence to the court.

A．which

B．when

C．that

D．whenever

皮肤大致可以分为三层，最外层为表皮，中间一层是真皮，最里层为（）。

A.皮下组织

B.角质层

C.皮下组织

D.基底层