In America, many people waste a lot of food _____ in Africa people haven’t enough to eat.

A. however         B. although              C. as               D. while 

In America, many people waste a lot of food _____ in Africa people haven’t enough to eat.

1. A.
   however
2. B.
   although
3. C.
   as
4. D.
   while

In America, many people waste a lot of food _____ in Africa people haven’t enough to eat.