in
at
about
with
Answer is Wrong!
Answer is Right!
The correct answer is: A. in
The word “in” is used to indicate proficiency in a subject or skill. For example, “He is very good in math.”
The word “at” is used to indicate skill or ability in a specific task or activity. For example, “He is very good at playing the piano.”
The word “about” is used to indicate knowledge or understanding of a subject. For example, “He is very good about computers.”
The word “with” is used to indicate a relationship or association with something. For example, “He is very good with numbers.”