遗嘱继承人放弃继承，则其放弃继承遗产应适用（）.
A.转继承
B.代位继承
C.遗赠
D.法定继承
参考答案：D
---- There are lots of spelling mistakes in your composition.
----- You _____ be joking ! I checked it several times before handing it in.
A．should
B．could
C．would
D．must
