单选题 ______refer to those words that are used before the noun acting as head of a noun group, and that determine the kind of reference the nominal group has.
【正确答案】 D
【答案解析】解析：考查限定词。限定词是在名词词组中对名词中心词起特指、类指以及表示确定数量和非确定数量等限定作用的词类。