Apine tree is a
-bryophyte
-angiosperm
-gymnosperm
-fern

A pine tree is a gymnosperm. Gymnosperms are taxonomic class that will include plants whose seeds are not enclosed in an ovule (like a pine cone). These are often referred to as softwoods. Gymnosperms are seed-bearing vascular plants, such as ginkgo, yews, cycads, and conifers. (Conifers are the higher classification of a pine tree)

Your answer is a because that is true