Preview the following and predict the topic of the article:
A doctor preparing to give a vaccination shot to a girl in her arm using a hypodermic needle and syringe.
Topic sentence: It's taken as an article of faith that vaccinations have improved our lifespan.
a.
How vaccinations have increased our lives
c.
Types of immunizations
b.
Flu vaccines
d.
none of the above



Please select the best answer from the choices provided


A
B
C
D