We must take deep look at the options one after the other in order to take the right decision in choosing the options.

Option A - Incorrect
The statement here is not what we intended getting contextually and grammatically. It is still the same as in the question being asked in the original content.

Option B - Incorrect
The preposition "to" means it is what's exactly been expected to happen. i.e futuristic tense in the manner the verb "be" has been used in the sentence

Option C - Incorrect
We do have different scenario here, the statement has a different meaning. it appears like a negative sentence formation which isn't an exact categorisation of the many reasons why there was approval.

Option D - Incorrect
It appeared as if this occured in a conversation or dialogue perse. It seeks to show that an explanation is being given from a personal point of view.

Option E - correct
This follows the option KISS study formulae which stands for "keep it short and simple". It shows conciseness, aptness, and very brief.