instruction:
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.
question:
Which of the following distinguishes the organisms in the kingdom Fungi from other eukaryotic organisms?  
 (A) Fungi are unicellular. (B) Fungi reproduce sexually. (C) Fungi obtain nutrients by absorption. (D) Fungi make food through photosynthesis.
answer:
C


question:
Which of these natural disasters are the most unpredictable?  
 (A) earthquakes (B) hurricanes (C) tornados (D) blizzards
answer:
A


question:
When can a student safely start an experiment in a science lab?  
 (A) once you have read the instructions (B) after you have checked your lab equipment (C) after the lab teacher tells you to begin (D) after the lab teacher reads the instructions
answer:

C