单选题
For their own safety, household pets should be
confined
to their own yard.
A、
tamed
B、
regained
C、
restricted
D、
contained
【正确答案】
C
【答案解析】
[解析] be confined to在句中的意思是“局限于”，与be restricted to意思相同。tamed驯服；regained重新获得；contained包含。故本题选C。
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