A、Because it needs medical equipment. B、Because it needs professional knowledge. C、Because we are reluctant to admit the time we

admin2021-11-24  100

问题

选项 A、Because it needs medical equipment.
B、Because it needs professional knowledge.
C、Because we are reluctant to admit the time we spend on smartphones.
D、Because we are unaware of the time we spend on smartphones.

答案D

解析
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