–Could I borrow your puter?
-- .
A. Help yourself.
B. Make yourself at home
C. By all means.
D. Never mind.
网友回答
A. Help yourself.
B. Make yourself at home
(答案→)C. By all means.
D. Never mind.
解析：考查交际用语. A.随便/别客气; B.别拘束、随便；C。、一定、务必、当然可以； D. 别介意。根据上文，我可以借你的电脑吗？选C最符合语境。