When you read the sentence, you will notice that the first part of the sentence is complete, while the second part is not. So, we need a comma.
Hence, B is the correct answer.
List I | List II |
(A)Fits and starts | (1) At appropriate time |
(B)In less than no time | (II) At intervals |
(C) Once in a blue moon | (III) In a moment |
(D) On the dot | (IV) Rarely |
A | B | C | D | Average |
---|---|---|---|---|
3 | 4 | 4 | ? | 4 |
3 | ? | 5 | ? | 4 |
? | 3 | 3 | ? | 4 |
? | ? | ? | ? | 4.25 |
4 | 4 | 4 | 4.25 |