Given the Following Pseudocode,what Value of GRADENUM Can Be Input $90 \leq$

Multiple Choice

Given the following pseudocode,what value of GRADENUM can be input to output a grade of "F"?
Start
Read GRADENUM
CASENTRY GRADENUM
CASE $90 \leq$ GRADENUM $\leq 100$ GRADE = "A"
CASE $80 \leq$ GRADENUM $\leq 90$ GRADE = "B"
CASE $70 \leq$ GRADENUM $\leq 80$ GRADE $=$ "C"
CASE $60 \leq$ GRADENUM $\leq 70$ GRADE = "D"
CASE other
GRADE $=$ "F"
ENDCASE
Write GRADE
Stop

A) 59
B) 60
C) 61 or less
D) none of the above