X ______ Y. Entailment is a relation of inclusion. If X entails

X ______ Y. Entailment is a relation of inclusion. If X entails Y , the meaning of X is included in Y.
A、is synonymous with
B、is inconsistent with
C、entails
D、presupposes
【正确答案】：C
【题目解析】：X entails Y. Entailment is a relation of inclusion. If X entails Y , the meaning of X is included in Y.