问题补充：
Though they don’t live in the same city now, he manages to be informed how Tony is getting along.
A. at one time
B. for a time
C. at no time
D. from time to time
答案：
A. at one time
B. for a time
C. at no time
(答案→)D. from time to time
解析：考查短语：from time to time不时地，句意：虽然他们现在不住在同一个城市，但是他设法不时地被告知托尼的进展情况。故选D。
