It’s cold outside and my leg hurts. I haven’t been out for weeks

A. I haven't been out for weeks, which makes the weather cold and my leg bad.

B. The weather is cold and my leg is bad as a result of my stay indoors for weeks.

C. What with the cold weather and my bad leg, I haven't been out for weeks.

D. What makes the weather cold and my leg bad is my stay indoors for weeks.