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").

Fact1: Viruses are so small that they can be seen only with an electron microscope., Fact2: Electron microscope is developed in Germany., Question: viruses are so small that they can be seen only with a device developed where? (A) A computer (B) sunlight (C) Light (D) germany (E) retina (F) at home (G) canada (H) taiwan
D

Fact1: the Himalayas were formed by rock folding, Fact2: If the rocks are not as brittle, they will either tilt or fold., Question: What is the consistency of the Himalayan rocks? (A) crust (B) Loose (C) simple (D) cold (E) loose soil (F) Smooth (G) liquid (H) Brittle
H

Fact1: Thyroid hormones increase the rate of metabolism in cells throughout the body., Fact2: Thyroxine, a thyroid hormone, is an aryl iodide., Question: Thyroxine increases the rate of metabolism in cells throughout the what? (A) Summer (B) body (C) state (D) skin (E) H 2 O (F) HIV (G) life (H) humans
B