The correct answer is A. We practiced for the debate and many arguments were rehearsed.
As you can see in this sentence, in the first part the pronoun <em>we </em>is used, and in the latter part, that pronoun just disappears and the sentence suddenly becomes passive rather than active. The shift isn't done properly - it is rather awkward. The other options are consistent - they use only one voice rather than two (like in sentence A).
Explanation:
O person vs. society i think
I think it’s Personification, dk not sure.
1. I bet the weather forecast is on in a minute.
The weather forecast may be on in a minute.
2. It's likely that we'll have a very hot summer this year.
We might have a very hot summer this year.
3. I'm sure Tom didn't drive to work, because his car is in the drive, covered with snow.
Tom mustn't have driven to work, because his car is in the drive, covered with snow.