单选题：How many of the following sorting methods use(s) Divide and Conq

How many of the following sorting methods use(s) Divide and Conquer algorithm? @[A](3)

* Heap Sort
* Insertion Sort
* Merge Sort
* Quick Sort
* Selection Sort
* Shell Sort


A. 2
B. 3
C. 4
D. 5




A.2
B.3
C.4
D.5


答案：A