When his dad died, he felt his whole world was hopeless .A. in case B. as thoughC. so that

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A. in case
(答案→)B. as though
C. so that
D. even though
解析：A. in case以防万一 B. as though好像 C. so that以至于          D. even though即使，尽管；句意：当他的爸爸去世时，他感到好像他整个世界都陷入了绝望。故选B