Whether you believe it or not, it is that causes your illness.
A. because of your overweight
B. you are so overweight
C. because you are overweight
D. your being overweight
网友回答
A. because of your overweight
B. you are so overweight
C. because you are overweight
(答案→)D. your being overweight
解析：不管你信或者不信,是你的肥胖引起了你的病.强调句型it is/was + 被强调东西 + that + 其他。本句考察动名词的被强调用法,被强调的是主语.因为that从句是接的第三人称单数的谓语,所以前面横线上是主语成分,只有动名词v-ing和动词不定式(这里没有)可以充当名词性成分,AC一般用作原因状语,选项B和下文即可独立构成完整句子,故选D.