—I’d like to invite you to dinner this Saturday, Mr. White.

—           .

A．Oh, no. let’s not

B．I’d rather stay at home.

C．Oh, no. That’ll be too much trouble.

D．I’m sorry, but I have other plans.

激进型人的优点有（）、坚持到底、执着、实际、锐利。

A.自律性强

B.勇敢迅速

C.不畏艰难

D.特立独行