Read the following sentences. 1. Leonardo da Vinci was a creative and logical thinker and made contributions to the world in all kinds of fields such as, but not limited to, botany, anatomy, mechanics, hydraulics, and so on. 2. Leonardo da Vinci was a creative and logical thinker, contributing to many diverse fields such as botany, anatomy, mechanics, hydraulics. Why is sentence 2 written more effectively than sentence 1?

A. Sentence 2 is written more concisely than sentence 1.
B. The structure of sentence 2 is varied, whereas the structure of sentence 1 is not.
C. The structure of sentence 2 is parallel, whereas the structure of sentence 1 is not.
D. Sentence 2 is written with better modifiers than sentence 1.