问题补充：
Online shopping is increasingly popular；by September ，the total daily sales at Taobao had amounted to 935 million yuan，which had even overtaken the daily total sales of Hong Kong.
A. just
B. only
C. merely
D. alone
答案：
A. just
B. only
C. merely
(答案→)D. alone
解析：D【命题立意】考查副词辨析。
【解题思路】由句意可知，截至9月，仅淘宝一家网站的日销售总额就远远超过了香港每日的销售额。D项意为“独自地，单独地”，符合句意。A项意为“仅仅是，只是；正好”；B项意为“仅，只有”；C项意为“仅仅，只不过”。故选D。
