They were rich; they didn’t have a happy family, though. A. Although they were rich, but they didn’t have a happy family. B. Rich though they were, they didn’t have a happy family. C. They
Giải thích
Đáp án B
– Cấu trúc Adj/Adv + As/Though +S +V chỉ sự nhượng bộ, bất chấp. (Dù họ có giàu, họ vẫn không có được một gia đình hạnh phúc.)