Mark the letter A, B, C or D on your answer sheet to indicate the word(s) that is CLOSEST in meaning to the underlined part in each of the following questions.
We, the young, should take actions to raise people’s awareness of being concerned with sewage processing measures from now on
A. indifferent to
B. carefree with
C. interested in
D. nervous about
Đáp án C
Be concerned with = be interested in: quan tâm tới vấn đề gì