单选题 I'm going to the supermarket. ______, what is the time now?
A. As a result B. By the way C. On the whole D. In a word

【正确答案】 B
【答案解析】[解析] 我打算去超市。顺便问一句，现在几点了?
[解析] 本题考查交际用语。by the way意为“顺便问一句”。根据上下文的逻辑关系，应选B。