In many places in China the old over 90 not only by their family but also by the governme

问题补充：

In many places in China, the old over 90 not only by their family but also by the government.

A. is taking good care

B. are taken good care of

C. is taking good care of

D. are taken good care

答案：

A. is taking good care

(答案→)B. are taken good care of

C. is taking good care of

D. are taken good care

解析：被动语态的用法。句意“在中国的许多地方，超过90岁的人不仅被家庭好好照顾着，而且也被政府照顾着”。the old指一类人，因此是复数形式，故排除A、C，被动语态中的动作须是及物动词，因此选B。