My father has worked for 20 years in the field of medicine, so he has a huge amount of experience.
A. achieved
B. piled
C. pleted
D. accumulated
网友回答
A. achieved
B. piled
C. pleted
(答案→)D. accumulated
解析：动词词义辨析。A获得；得到；B堆积；C完成；D积累；句意：我的父亲在医学领域工作了20年，所以他积累了很多的经验。根据句意说明D正确。