Direction: In the following questions, a sentence/part of the sentence is printed in bold. Below are given alternatives to the bold sentence/part of the sentence at (1), (2) and (3) which may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).
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During his long discourse, he did not touch the central idea of the topic.
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- touch
- touch up
- touch upon/on
- No improvement
Correct Option: C
Here, touch upon/on is the right usage.
