In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Q: Fact1: Flatworms belong to the phylum Platyhelminthes., Fact2: Flatworms are bilaterally symmetric., Question: What animal found on Earth would belong to the phylum Platyhelmintes? (A) bilaterally symmetrical worms (B) Something with a head, thorax, and abdomen (C) remains of prehistoric life (D) Something that makes plants green (E) Microscopic organisms (F) female sex cells (G) it helps plants in growing (H) share properties
A:
A