单选题
After a disappointing first quarter, sales in the second quarter have reached an ______ high
A、
especially
B、
all-time
C、
very
D、
ever-increasingly
【正确答案】
B
【答案解析】
选项B正确，“all-time”是修饰名词“high”的形容词。选项A、C和D都是副词。
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