Based on the VM performance metric, what is the most likely cause of this behavior?

An administrator receives complaints of poor performance in a particular VM.

Based on the VM performance metric, what is the most likely cause of this behavior?
A . Oplog is full cannot serve IO request from this VM.
B. The host’s CPU is severely overloaded.
C. SSD tier is not big enough to serve workloads’ IOPS demand.
D. The VM needs more vCPUs

Answer: D