Question

【题目】I am writing to you _______ I’m afraid to talk about it face to face.

A. because B. though C. until D. unless

Answer 1

【答案】A

【解析】句意：我写信给你，是因为我害怕和你面对面谈论它。A. because因为；B. though虽然；C. until直到…才；D. unless除非。根据句意，可知二者之间应该是因果关系，即"因为害怕和你面对面谈论它，所以写信给你"；故答案选A。