Phenotypic similarity does not always reflect evolutionary relationships due to:?

Phenotypic similarity does not always reflect evolutionary relationships due to:

Check all that apply 
Are the answers B and C?

A) variation in rates of evolutionary change among species 
B) homoplasy
C) convergent evolution 
D) outgrouping 

az_lender2021-03-02T20:39:35Z

convergent evolution is certainly a reason;
and homoplasy is DEFINED as this type of similarity not based on shared ancestry.

I agree with you that A and D do not seem applicable.