单选题 Now the ______ port city near the mouth of the mighty Yangtze River is hoping to leave its record of turmoil behind and renew its status as the epicenter of Chinese modernization.

【正确答案】 B
【答案解析】[解析] B项“congested拥挤的”符合题意。其他三项“A项flapped拍打；C项dined吃饭，进餐；D项dictated规定的，口授的”都不正确。本题空格处是说拥挤的港口城市。因此B项为正确答案。