John hadn’t been able to stop smoking suddenly;he had to control his smoking des

题型：不详难度：来源：

John hadn’t been able to stop smoking suddenly;he had to control his smoking desire ________.

A．by and by

B．sooner or later

C．little by little

D．from time to time

答案

C

解析

by and by 不久以后，不一会儿；sooner or later 迟早；little by little相当于step by step 渐渐地；from time to time 时常地。句意为：约翰不能立即把烟戒掉，他得慢慢地控制烟瘾。