Personally i think B because he says to exist is to think, meaning it is inseparable, you cannot exist if you don’t think basically
<span>With impatient fingers she began all over again</span>
We are as clouds that veil the midnight moon;
<span>How restlessly they speed, and gleam, and quiver </span>
Americans With Disabilities Act. It's the reason you'll see buildings and bathrooms and any number of other things labelled "ADA Accessible."
The answer is a. To show that even seemingly eternal things are temporary,