In the following questions, a sentence/ part of the sentence is in Bracket. Below are given alternatives to the sentence in Bracket. Sentence/part of the sentence at (a), (b) and (c) which may improve the sentence. Choose the correct alternative. In case no improvement is needed, you answer is (d)Question :A little rail-road engine ( was employed a by station Yard ) for doing small pieces of work.

• A. was made by a station yard
• B. was used at the station yard
• C. was employed at the station yard
• D. No Improvement