Normally a sentence consists of at least a ______ and its ______

Normally a sentence consists of at least a ______ and its ______ which contains a finite verb or a verb phrase.
A、subject/predicate
B、object/predicate
C、subject/object
D、predicate/subject
【正确答案】：A
【题目解析】：Normally a sentence consists of at least a subject and its predicate which contains a finite verb or a verb phrase.