问题详情

In Paragraphs 2 and 3 the author wants to say that____.
A．people nowadays become more interested in science matters
B．the researchers nowadays are more interested in developing all the good-for-you stuff
C．some people want to find things which are beneficial to their health
D．people nowadays tend to overstate and publicize what they have done请帮忙给出正确答案和分析，谢谢！