单选题
When the nurse took his temperature, it was three degrees above ______.
A. average B. regular C. normal D. ordinary
【正确答案】
C
【答案解析】[解析] normal在此做名词用，意为“正常”，又例如：The rainfall was above(below) normal last summer。average是“平均”之意；regular和ordinary不做名词用。