How can you change the default testing values for a process step when using the test automation tool for SAP S/4HANA Cloud?

How can you change the default testing values for a process step when using the test automation tool for SAP S/4HANA Cloud?
A . By using a self-service customizing (SSC) UI
B. By importing the values from another test plan
C. By adding a variant
D. By creating a new test plan

Answer: C