Failure allows you to learn that making mistakes is contrary for you to learn how to avoid making mistakes like that again. You can't avoid something if you don't even know where it's coming from, so you need to make the mistake of not avoiding it to know how to avoid it next time.
The correct answer to this question is
D. He is here, therefore, for the week
The answer would be C. The committee's bickering was seriously impeding any real progress.
impede would translate to preventing...such as preventing progress.
To use your example, cede does mean to go. However, "recede" means to draw back or go back. Think of an ocean. What does the tide do at certain times? It recedes!
So re- is the best answer.
Answer: a is disagreement
Explanation: