—Volunteering is being increasingly popular in China.
—Yeah, people are now that helping others is helping themselves.
A. held
B. known
C. ashamed
D. aware
网友回答
A. held
B. known
C. ashamed
(答案→)D. aware
解析：
这题考查词组：be aware that“意识到…”，句意是：---自愿者在中国越来越受欢迎。---人们意识到帮助别人就是帮助自己。选D。