Young adults who are ___ with their use of credit may
find themselves in trouble sooner than they expect.
(A)careless
(B)uncaring
(C)careless
(D)uncared
这题题本给的答案是A
但是 想请教的是 Be 动词后面可以加副词吗??
谢谢帮助

careless是形容词 然后为什么A和C一样..

加副词不是不能 只是为什么要加副词 想想副词作用是什么