HE/ CLEVER BOY/ UNDERSTAND/ WHAT/ YOU MEAN/ QUICKLY//A. HE IS SO C...

53. He/ clever boy/ understand/ what/ you mean/ quickly//

a. He is so clever boy that he understands what you mean very quickly.

b. He is such clever boy that he understands what you mean very quickly.

c. He is a such clever boy that he understands what you mean very quickly.

d. He is such a clever boy that he understands what you mean very quickly.