Step 1: Understanding the Question:
This question tests knowledge of the botanical names of Brassica vegetables. Step 2: Detailed Explanation:
Cabbage is Brassica oleracea var. capitata.
Brassica oleracea var. sylvestris (B): Wild cabbage.
Brassica oleracea var. italica (C): Broccoli.
Brassica oleracea var. acephala (D): Kale.
Thus, cabbage is var. capitata. Step 3: Final Answer:
Thus, the botanical name of cabbage is Brassica oleracea var. capitata, which corresponds to option (A). [0.5cm]