If a Letter Grade of "B" or "A" on a Test

Multiple Choice

If a letter grade of "B" or "A" on a test is determined based upon the following grading scale, which expression would identify an individual earning a "B" or "A" based upon a variable score? 90-100 A 80- B 70- C 60- D 0- F

A) score = 80 Or score > 90
B) score > 80 And score >=90
C) score >= 80
D) score =80