WHILE NAM IS GOOD AT ENGLISH, HE ISN’T VERY GOOD AT MATHS.A. NAM I...

40. While Nam is good at English, he isn’t very good at Maths.

A. Nam is good at English because he isn’t very good at Maths.

B. Nam is good at English, and he isn’t very good at Maths.

C. Nam is good at English, but he isn’t very good at Maths.

D. Nam is good at English, so he isn’t very good at Maths.