a. Billy: I'd like to hear your reasoning.
b. Billy: I can't decide between studying economics and computer science. Any advice?
c. Billy: That's a fair point. I'll look into both programmes more closely.
d. Sarah: Honestly, I'd lean toward computer science given how the job market is shifting.
e. Sarah: It offers more flexibility, and the skills transfer well even outside tech roles.

Đáp án B: b – d – a – e – c

b. Billy: I can't decide between studying economics and computer science. Any advice?
→ Billy hỏi lời khuyên.

d. Sarah: I'd lean toward computer science...
→ Sarah khuyên chọn khoa học máy tính.

a. Billy: I'd like to hear your reasoning.
→ Billy muốn nghe lý do.

e. Sarah: It offers more flexibility...
→ Sarah giải thích lý do.

Ở đây It = computer science.

c. Billy: That's a fair point. I'll look into both programmes more closely.
→ Billy tiếp nhận lời khuyên và kết thúc hội thoại.

→ b – d – a – e – c

Chọn B.