单项选择题

Careful surveys have indicated that as many as 50 percent of patient do not take drags ______ directed.

[A] what
[B] so
[C] which
[D] as
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It is so warm and ______ by the fire that I feel like sleeping.
[A] dusty
[B] silky
[C] glossy
[D] cozy
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The new tourist hotel will have ______ for more than one thousand people.
[A] convenience
[B] accommodations
[C] capability
[D] capacities
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