it is snowing heavily

it is snowing heavily but the postman is still( )the village to deliver the letters
A. standing in his way to
B. walking on his way to
C. making his way to
D. going by the way to
选什么?
说一下四个选项的含义,用法!
谢谢!
答案是C
但是其他几个选项错哪?

it is snowing heavily it is snowing the day before yeaterday改错 How heavily it is snowing now！中，为什么不能用“heavy”代替“heavily”？为什么？ It was snowing when he arrived at the construction site. But i think it is (u ) to know the grreat things and (h ) in the past. she woke early ____ it was snowing.下面该选什么，请说明理由 Snowing是什么意思 it is me 还是 it is I what it is?/what is it? it is 和is it 怎么用？