In this task, you are given a question containing a blank (_) and two options. You should pick the best option to answer the question. Please answer with "A" or "B".

[Q]: rhododendrons are easy to prune but  roses are not because the _ are very ill natured. (A) rhododendrons (B) roses
[A]: B


[Q]: Rebecca knew how to solve equations well while Jessica did not, so _ always got As in advanced math classes. (A) Rebecca (B) Jessica
[A]: A


[Q]: Katrina had a torso that was twice as wide as that of Betty because _ was rather thin. (A) Katrina (B) Betty
[A]:
B