Here is a tricky question to make you think.

Question:

1+9+8=1

how is this answer correct?

Which quotation is punctuated correctly?

A. My mother, a wise woman in many ways, always said she "never understood the power of positive thinking."

B. Benjamin Franklin once said "a penny saved is a penny earned."

C. Paris, France, is known as "The city of lights."

D. As a philosopher who was wise for his young age once said "it has taken too long for change."