Consider the following statements regarding the conclusions drawn from fossil records and choose the correct answer:
1. There existed a multitude of diversified animal groups, similar to the animal groups that exist today
2. The most primitive forms of life are found in the oldest rocks
3. None of the past forms of life are exactly like any of those now living
4. All fossils did not appear at a time, but appeared during different great spans of times

A. Only 1, 2 and 3 are true

B. Only 2, 3 and 4 are true

C. Only 1, 3 and 4 are true

D. 1, 2, 3 and 4 are true

Answer: Option D