In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

Q: Which of these could be a reason why the stars seem to be in a different place at dusk than at dawn? (A) rotation of the sky (B) rotation of the sun (C) rotation of the earth (D) rotation of the person

A: C
****
Q: If a day has passed, so has (A) most of a month (B) most of thirty hours (C) most of a week (D) most of a year

A: B
****
Q: A book experiences tearing so it (A) has lost status as whole (B) lacks any real mass (C) is completely intact now (D) is a whole book

A:
A
****