Sorry, What are you trying to ask for?
B: Sometimes the did not have enough
Thank you for posting your question here. The question seems to be incomplete. As per checking from the other source, the question should be "<span>Replace the underlined word below with another word that fits" and the underline word you your sentence is nerve that means the answer is pluck. I hope it helps. </span>
By making them use solar energy(hope this helps)
The answer is B because responsibility covers all the subjects
