What is the maximum number of primary partitions you can create?

You are formatting a single hard disk for a Linux install. What is the maximum number of primary partitions you can create?

A.
0

B.
1

C.
2

D.
3

E.
4

F.
5

Explanation/Reference:
On MBR partitioned harddrives only 4 primary partition can be created. (Use extended and logical partitions to create more partitions).