Brassica ( ) is a genus of plants in the mustard family (Brassicaceae). The members of the genus are informally known as cruciferous vegetables, cabbages, or mustard plants. Crops from this genus are sometimes called "cole crops"derived from the Latin "caulis", denoting the stem or stalk of a plant.

Can we draw the following conclusion?
plants can be separated into different genus's

pick from the following. A). Yes; B). It's impossible to say; C). No;
A).