When his dad died, he felt his world had turned upside – down.
A. in case
B. as if
C. so that
D. even though
网友回答
A. in case
(答案→)B. as if
C. so that
D. even though
解析：考查词组辨析。In case,万一 as if 好像 so that 为了 even though 尽管
句意为当他父亲去世的时候，他感觉好像他的整个世界都天翻地覆了。