You are given a science question (hard-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.
Q: A rural area was cleared down to bare rock for constructing a road, but the road was never built. The area began to regrow. Which organisms most likely reappeared first?
(A) trees (B) shrubs (C) lichens and mosses (D) weeds and crabgrass
A:
C