are there choices? because the best one should be devising a training program that builds muscle mass slowly. Slowly building your muscle mass helps you build up your strength without hurting yourself. I believe if there are A,B,C,and D. its B. because i saw this question before. the answer is B. or what i previously said.
Answer:
It is a pun.
Explanation:
This is because it is a figure of speech that exploits a word's meaning in this case that the book was impossible to put down.
