单选题 His constructive proposal for improving the program is ______of our attention.
【正确答案】 B
【答案解析】解析：本题考查固定搭配。be worthy of sth．为固定搭配，意为“值得做某事”，故答案为[B]。be worthy of相当于be wonh doing sth．或be worthwhile to do sth．。worthless意为“无价值的，不值钱的，没用处的”。