"I will let you know the answer by the end of this...

Câu hỏi: "I will let you know the answer by the end of this week,” Tom said to Janet.

A Tom suggested giving Janet the answer by the end of the week.

B Tom promised to give Janet the answer by the end of the week.

C Tom insisted on letting Janet know the answer by the end of the week.

D Tom offered to give Janet the answer by the end of the week.