Step 1: Understand the preposition "in."
The phrase "in haste" is an idiomatic expression meaning quickly or with urgency. The correct preposition to use with "haste" is "in." Step 2: Analyze each option.
- (A) at: Incorrect. "At haste" is not a common or correct phrase in English.
- (B) of: Incorrect. "Of haste" does not form a proper idiomatic expression.
- (C) by: Incorrect. "By haste" is not the correct prepositional phrase.
- (D) in: Correct. "In haste" is the correct idiomatic expression. Step 3: Conclusion.
The correct sentence is "The work was done in haste."