对于任意两个自然数A、B，规定新运算规则“※”：A※B=A(A+1)(A+2)…(A+B-1)。 如果(x※3)※2=600，那么x=( )。

A．2

B．4

C．24

D．0

I ________ be quite bored with the job, but now I have________ to it.

A．used to; been used

B．used to; used

C．was used to; got used

D．was used to; been used