One peculiar feature of the feudal system of England was that all landowners took the oath of allegiance to______.
A．their immediate lord
B．the king
C．either their immediate lord or king
D．their immediate lord and the king as well

A.
A．their
B.the
C.either
D.their

【参考答案】

D
英国封建时代的一个独特之处就是各级土地所有人不仅效忠于自己的直接领主，还效忠于国王。