PT 3 S2 Q20

In Brazil, side-by-side comparisons of Africanized honeybees and the native ... ...

Each of the following, if true, would weaken the argument EXCEPT:
(A) The honeybees native to Brazil are not of the same variety as those most frequently used in the commercial beekeeping industry in the United States.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Weaker: Intro Set