<span>A. In 1800, shoes were made by hand. In 1900, shoes were being mass-produced in factories.</span>
Answer:
B. They play video games better than some primates.
Explanation:
A is not a skill that defines their intelligence.
C also isn't
D isn't as well.
So B is your answer.
This is a simple sentence because in its entirety it is a single clause. There are no multiple independent clauses connected or any subordinate clauses to make it compound or complex.
Walter got accepted to Stuyvesant High School.
Hope this helps.