The plants whose seeds have two cotyledons are called:

The correct option is A Dicots
Angiosperms are also called flowering plants. They are classified based on characteristics that include cotyledon structure, pollen grains, as well as flower and vascular tissue arrangement. Dicots have flowers arranged in whorls, two cotyledons, and a vein arrangement that forms networks within their leaves.

Therefore, the correct answer is option B.