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It’s estimated that 50 percent of people are ______ in vitamin D, which is harmful to their health.

热门题目 网课答案 2022-11-12 扫描二维码

题目： It’s estimated that 50 percent of people are ______ in vitamin D, which is harmful to their health.

A.defective
B.sufficient
C.deficient
D.efficient

喵查答案：C
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