The preceding discussion has been based on _______ consideration of the performance of the group of learners as _______ whole.
A.the; a
B.a; a
C.a; the
D.the; the
A
consideration后面有定语限制,所以用定冠词the;as a whole是固定短语,意为“作为整体,整体上”。
不定冠词的概念:
冠词是置于名词前,说明各词所表示的人或事物的一种虚词,它不能离开名词而单独存在。冠词有两种,一种是定冠词,一种是不定冠词。定冠词是the,不定冠词有两种形式,一是a,另一是an。不定冠词a用于辅音音素起首的单词前,an用于元音音素起首的单词前。如:a bike, a dog, an egg, an elephant