It is necessary that parents should the responsibility of helping their children develop

问题补充：

It is necessary that parents should the responsibility of helping their children develop legal awareness.

A. take on

B. carry on

C. look on

D. keep on

答案：

(答案→)A. take on

B. carry on

C. look on

D. keep on

解析：A 考察动词短语辨析。Take on承担，呈现；carry on继续，开展，参与；look on旁观，keep on继续。由语境可知，家长有必要承担起帮助孩子增强法律意识的责任。故A正确。