甲公司与乙公司订立合同，约定货款总额为200万元，乙公司将货款直接支付给丙公司，乙公司在收到货物后没有按期履行付款义务，乙公司（）承担违约责任。

A.不必

B.应向丙公司

C.应向甲与丙公司同时

D.应向甲公司

Sometimes we have specific problems with our mother; sometimes, life with her can just be hard work. If there are difficulties in your (1) , it’s best to deal with them, (2) remember that any (3) should be done (4) person or by letter. The telephone is not a good (5) because it is too easy (6) either side to (7) the conversation.

Explain to her (8) you find difficult in your relationship and then (9) some new arrangements that you think would establish a (10) balance between you. Sometimes we hold (11) from establishing such boundaries because we are afraid that doing (12) implies we are (13) her. We need to remember that being (14) from our mother does not (15) mean that we no longer love her. If the conflict is (16) and you cannot find a way to (17) it, you might decide to give up your relationship with your mother for a while. Some of my patients had (18) "trial separations". The (19) allowed things to simmer down, enabling (20) .

3（）

A.contradiction

B.estimation

C.confrontation

D.immersion