A.首先“值得”是be worth sth, 或be worth doing
然后，很值得，我们用well 来修饰worth, 所以就是be well worth sth,或be well worth doing.
D
应该把were放在最前面，然后worth不是动词，不可以放在were的后面，所以答案应该是were well worth
A.首先“值得”是be worth sth, 或be worth doing
然后，很值得，我们用well 来修饰worth, 所以就是be well worth sth,或be well worth doing.
D
应该把were放在最前面，然后worth不是动词，不可以放在were的后面，所以答案应该是were well worth