The answers are:
________________________________________
[A]: original ; AND:
________________________________________
[D]: hopeful .
_____________________________________________________
Yesss this is a good question
Using a progressive verb in a sentence means the action is still happening.
Example: Mom is cooking dinner.
Cooking would be a progressive verb since it is currently happening.
C.
The reason why is because it's talking about how much would it takes to make charcoal, which is a lot to yield so little charcoal. So, it's negative.