Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. A cooperative program between China and Germany on building Yangzhow, a f
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
A cooperative program between China and Germany on building Yangzhow, a famous ancient city, into a(n) ________ city has proceeded smoothly since it started in September last year.
A. friendly ecology
B. ecology-friendly
C. friendly-ecological
D. ecologicalfriendly