The correct answer is: E. No error
The sentence is grammatically correct. The verb “have been said” is in the passive voice, which is appropriate in this case because the speaker is not identifying a specific person or group of people who have said that parents should not impose their desires on their wards. The verb “impose” is used correctly to mean “to force or require someone to do something.” The preposition “on” is used correctly to indicate that the desires are being imposed on the wards. The sentence is clear and easy to understand.
Here is a brief explanation of each option:
- Option A: “As always have been said” is a grammatically correct sentence. The verb “have been said” is in the passive voice, which is appropriate in this case because the speaker is not identifying a specific person or group of people who have said that parents should not impose their desires on their wards.
- Option B: “parents should not” is a grammatically correct sentence. The verb “should” is used to express a recommendation or obligation.
- Option C: “impose their desires” is a grammatically correct sentence. The verb “impose” is used correctly to mean “to force or require someone to do something.”
- Option D: “on their wards” is a grammatically correct sentence. The preposition “on” is used correctly to indicate that the desires are being imposed on the wards.
- Option E: “No error” is the correct answer because the sentence is grammatically correct.