27. As five children under 10 got drowned in a southern province it is not socially for

问题补充：

27. As five children under 10 got drowned in a southern province, it is not socially for

parents to leave children unattended at that age.

A. acceptable

B. affordable

C. sustainable

D. believable

答案：

(答案→)A. acceptable

B. affordable

C. sustainable

D. believable

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