the correct answer is letter A. Energy is the only noncountable noun.
It can't be letter D because day is not a noncount noun.
Letter C is also a countable noun, so letter B cannot be an option.
Letter B is a countable noun, so it can't be an option.
Answer:
confer or present it's also a right, honor or gift
Hard work can give a person a sense of any satisfaction, likewise it helps to pay the bills
First i believe its a "figure of speech".
Second they use this to say "it wont be easy but it is possible."