制作颌支托宜选用（）。

A.直径为1.2mm的不锈钢丝

B.直径为1.0mm的不锈钢丝

C.直径为0.9mm的不锈钢丝

D.直径为0.8mm的不锈钢丝

E.直径为0.7mm的不锈钢丝

I wonder how he could ______ not handing in his math exercises yesterday, for his math teacher is always strict with his students.

A．get along with

B．get away with

C．get down to

D．get around