When I called at his home the other day, I found him sitting on an armchair, in his hands.

网友回答

A. his head bury
(答案→)B. burying his head
C. his head burying
D. his head to be buried
解析：考查分词用法。Bury oneself in…把…埋在…；bury与him构成主动关系，与sitting形成并列关系。句意：前几天当我到他家拜访他的时候，我发现他坐在椅子山，把头埋在手里。