Which partitions would change the default partition size for /?

Which partitions would change the default partition size for /?

A.
/tmp

B.
/home

C.
/usr

D.
/var/log

Explanation:
ESX and vCenter Server Installation Guide ESX 4.0, vCenter Server 4.0, page 61.
ESX Required Partitions
Mount Point Type Size
/ ext3 *
* Calculated dynamically based on the size of the /usr partition. By default, the minimum
size is 5GB and no /usr partition is defined