做一道阅读,出现下面这道题The passage mainly tells us about ____.A) the A
做一道阅读,出现下面这道题The passage mainly tells us about ____.A) the ABCs of stock marketsB) gambling in stock marketsC) how to make money in stock marketsD) how to buy or sell shares in stock markets[参考答案] A在A选项中,“the ABCs of...是习惯用语么?