'At arm's length' means -

A Length of arm

B At a distance

C Insult

D Very near

Solution

Correct Answer: Option B

Twenty miles is a long distance. কারণ, দৈর্ঘ্য পরিমাপক কোনো কিছু sub হিসেবে বসলে verb-টি সবসময় singular হয়।

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