∗Pressing key for three times selects ______.
answer should be (c) whereas your answer is (b). how?
It depends where the cursor . If it is at the first sentence so the first sentence would be copied . so , the answer should be b) A sentence
Actually it can be anything. It depends on where the cursor is. If it is located on the first line then only the first line is selected if the second then the second line is selected and so on.