单选题The passage mainly wants to tell us ______.A how to buy or sell sharesB ABC of stock marketsC the stock market is like gamblingD investing money in the stock market is not the safest way
题目
单选题
The passage mainly wants to tell us ______.
A
how to buy or sell shares
B
ABC of stock markets
C
the stock market is like gambling
D
investing money in the stock market is not the safest way