Which of the following root words means human kind
a. aud-
b. andro-
c. ambi-
d. anthro-

Answer : Anthro

The root word which means human is "anthro" thus, anthropology is the study about human. Anthro is a Greek word which literally means human like . Here are some of the words that starts with the prefix anthro:
 
anthropocentric
anthropocentrism
anthropogenic
anthropologist

Now let's use these words to make sentences.

He is so anthropocentric that he even patronizes humans.
Anthropocentrism can be considered a sin.
Anthropogenic emissions are harmful to the health.
Anthropologist is someone who studies anthropology.