I gave extra points and I will give brainliest
Which of these is an example of a random sample?

A. Mrs. Baker selects the 10 students who raised their hands to volunteer to fill out a survey.

B. Mrs. Baker selects the 10 students whose names are drawn from a bag to fill out a survey.

C. Mrs. Baker selects the 10 students who arrived to class first on Monday to fill out a survey.

D. Mrs. Baker selects the 10 students with the highest grade point averages to fill out a survey.