Below are some examples of changes that occur in life. Which one is an example of biological evolution?A: A cell starts to express a different set of genes when it is exposed to high levels of testosterone.B: Your taste in music changes dramatically between middle school and high school.C: In New York City, the average wing length of pigeons decreases over a period of 150 years. D: A young man’s muscles increase in strength and bulk after he starts lifting weights.