Which of the following, if true, would most strengthen the hypothesis mentioned in lines 17-19？

A. Researchers are able to train anteaters to break into an underground chamber that is emitting a strong electrical signal.
B. Researchers are able to detect a weak electrical signal emanating from the nesting chamber of an ant colony.
C. Anteaters are observed taking increasingly longer amounts of time to locate the nesting chambers of ants.
D. Anteaters are observed using various angles to break into nests of ants.
E. Anteaters are observed using the same angle used with nests of ants to break into the nests of other types of prey.