GRE Text Completion: JiJing 1373-GRE填空机经1373题 - MV5F4CGRS9L7JO7CA

After continuously rising in the summer, the commodity price fell, leaving the analysts wondering whether the downward trend is a turning point, or merely a ____________ before the demand picks up in winter months. A. spike B. upsurge C. harbinger D. lull E. portent F. respite