prefer to do/prefer doing ¹

可以看作没有什么区别。请看下面的实例：

1. Do you prefer $\$left\{\begin{array}{l} to cook \\ cooking \end{array}\right\} for yourself, or $\$left\{\begin{array}{l} to eat \\ eating \end{array}\right\} in a restaurant? (CGEL) 你喜欢自己做饭吃,还是到饭店里吃?

2. She prefers to live among the working people. (Sinclair) 她喜欢生活在劳动人民中间。

3. So you prefer living abroad? (Shaw) 那么你是喜欢在国外生活了?

Mr. Johnson preferred ____ heavier work to do.

A. to be given B. to be giving C. to have given D. having given(全国四级,93.6-61)