With his mother’s good care, the boy is recovering from his heavy cold.
A. frequently
B. actually
C. fluently
D. gradually
网友回答
A. frequently
B. actually
C. fluently
(答案→)D. gradually
解析： 考察副词词义辨析。A频繁地；B实际上；C流利地；D逐渐地；句义：在妈妈的精心照料下，这个男孩慢慢地从重感冒中恢复过来了。根据句义可知感冒的恢复是一个渐进的过程。故D正确。