选B.
be worth doing 翻译成值得做某事,且动名词要用主动形式表示被动含义.例如:His suggestiom is worth considering.他的建议值得考虑.
没有短语be worth to be done,应该是be worthy of being done /be worthy to be done,翻译为某事值得被做.如:
This place is worthy of being visited./This place is worthy to be visited.
要记住固定用法,更要理解固定用法