try to do和 try doing都可以,意思上略有区别try doing 试着一直做某事例: Let me try retelling the story. 让我试着复述这个故事吧。
He tried climbing the tall tree.他试着爬上那棵大树。try to do 试着去做某件事 (原本不是在这件事,换另一件事做)例: He has been trying to solve the problem.他一直在设法解决这一问题。(这种方法不行,换另一种方法)所以本题选Bto solve 因为后面有in another way,用另外一种方法