【評論主題】2. We now know that time is not absolute, that the ticking rate of clocks________theirrelativespeed.

【評論內容】答案應為B, 應出自於[The Accidental Universe The World You Thought You Knew]一書我們現在知道時間不是絕對的，不同時鐘的時間單位因他們的相對速度而不同。(因有not absolute, relative等線索，可知答案應為varies with)