He is seldom, , absent from school.
A. if some
B. if any
C. if not
D. if ever
网友回答
A. if some
B. if any
C. if not
(答案→)D. if ever
解析:if ever 意为“如果曾经有过或即使有过的话”,其作用是为了缓和语气。如:
It occurs seldom, if ever.即使有其事,也必不多。She seldom, if ever, goes to the cinema.她几乎从不去看电影。