Though working outside, he is always about his aging mother at home.
A. concerned
B. satisfied
C. excited
D. particular
网友回答
(答案→)A. concerned
B. satisfied
C. excited
D. particular
解析:考查形容词:A. concerned担心的B. satisfied满意的C. excited 兴奋的D. particular讲究的,句意:虽然在外面工作,他总是担心家里年迈的母亲。选A。