B.
Not A. because it isn't only for solving simple problems.
Not C. because it CAN work well with personal or school problems.
Not D. because you can't solve a problem before their is a problem.
I hope this helped.
It gives the sense that time is moving quickly and thus creates excitement.
JDKDNSNS ID WISH FOR THIS PANDEMIC TO BE OVER AND THENNN THE OUTCOME WOULD BE MILLIONS OF LIVES SAVED AND BACK TO LIVING A NORMAL LIKE
Answer:
pls what r u supposed to do