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 : It became clear that the strangers were heading (into ) a serious disaster.

• A. along
• B. towards
• C. on
• D. No improvement