According to the author, the claim that there are no objective truths . . . a. is so deep that we cannot say whether it is true or false. b. has been well confirmed by social science. c. cannot possibly be false. d. cannot possibly be true.

D.

Explanation:

Objective truths are those truths that continue to exist regardless of our beliefs or perception. The objective truths are the facts that exist around us in the world. Such truths remain even if we believe it to be there or not. It does not change.

An example of objective truth is that water and air are necessary for living. Another example of objective truth is the mathematics statement that states 1+1 equals 2. The sum of 1 and 1 can never be 3 or 4.

So, the claim of the author that there are no objective truths can not be true.

So, the correct answer is option D.

"b"

hine was able to receive a high school and college education.