Which of these is an example of something that sociology tries to help people understand?
A. How ancient people farmed crops
B. How society affects our choices
C. How life began on earth
D. How nutrition affects brain function

B. How society affects our choices

Explanation:

Sociology can be defined as a social science that deals with the study of the socio-cultural interaction of humans with respect to the structure, functioning and development of their society.

The main purpose of sociology is to develop and enhance human knowledge or understanding of important socio-cultural processes through the gathering and analysis of all aspects of the social life of the people living in a society.

Hence, how society affects our choices is an example of something that sociology tries to help people understand.

For example, how to treat employees nicely, what candidate to vote for in a presidential election, what career path to choose in life, when to marry, who to marry are all questions (challenges) that sociology help humans to understand.

see below  

explanation:

all of the above