B,C should be the answer.
A) It’s true only if input is already sorted or less no of inversions are there then its runs faster than other algorithm, here we are not given specific input so we can not say surely that it is sorted
B) it does not use any extra space so it consumes less memory
C) This is one of the famous property of bubble sorting technique to detect whether input is already sorted
answer given in answer key is D
