When his dad died he felt his world had turned upside – down.A. in caseB. as ifC. so that

问题补充：

When his dad died, he felt his world had turned upside – down.

A. in case

B. as if

C. so that

D. even though

答案：

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。