—Volunteering is becoming increasingly popular in China. —Yeah people are now that helpin

问题补充：

—Volunteering is becoming increasingly popular in China.

—Yeah, people are now that helping others is helping themselves.

A. held

B. known

C. ashamed

D. aware

答案：

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。