By standing by his side and pushing him on.
a you did not explain it well do not reply
Answer: D
Explanation: "Rosy cheeks" is used all the time to describe, and is not original.
Not enough information was given. Please include some info.
Sample response: The general lesson from the reading is that inventing a useful product takes time and perseverance. You have to experiment, fail, and retry your ideas until you succeed.