23. For the sake of the logic and coherence of this paragraph, Sentence 5 should be placed:
Your Answer is
Correct Answer is D
Explanation
"The wobble of the earth's rotation axis is called the precession, which leads to this change in position", this sentence explains the function of the precession, and the key words are "precession" and "this variation". Precession appears in the fourth sentence in the previous text, and varied appears in the third sentence. So this variation should appear after the third sentence to have a referential meaning.