Logically,which of the Following Should Cast the Most Doubt on the Relationships

Multiple Choice

Logically,which of the following should cast the most doubt on the relationships depicted by an evolutionary tree?

A) Some of the organisms depicted by the tree had lived in different habitats.
B) The skeletal remains of the organisms depicted by the tree were incomplete (in other words,some bones were missing) .
C) Transitional fossils had not been found.
D) Relationships between DNA sequences among the species did not match relationships between skeletal patterns.