1.22. Marina's school filled 4 - buses to take people on a trip to the country. Each bus holds 72 people. How many people rode the buses on the trip?
A. 432
B. 333
C. 300
D. 288

My answer is b but i dont know if im right

  i think you forgot to put the options but if your reffering to this question then your answer will be "b"  a. add "to" to the base form to create an adjective.b. when the subject of a sentence is singular, add "–s" to the base form.c. add "–ed" to irregular base forms to form the past participle.d. do not use a base form with plural subjects