A:had played; did
B:played; did
C:had played; was going to do
D:was playing; was going to do
观察漫画,回答问题:
绿萝是我国南方常见的观赏植物.在室外生长时叶子长得比较大,在室内时盆载叶子长得比较小,这一现象说明了( )
被誉为“东方医学巨典”的是( )