“ I can’t explain this rule to you”, said my class...

Câu hỏi: “ I can’t explain this rule to you”, said my classmate to me

A My classmate told me he/she can’t explain that rule to me.

B My classmate told me he/she couldn’t explain that rule to me.

C My classmate told me he/she couldn’t explain that rule to you

D My classmate said me he/she couldn’t explain that rule to me