The following barchart displays the relative frequency of responses of students, by grade level, when asked, "Do you volunteer in a community service activity 1.0 0.8 No Yes 0.6 Relative Frequency 0.4 0.2 0 Twelfth Ninth Tenth Eleventh Grade Level Which of the following statements is not supported by the bar chart?
A More than 60% of both tenth grade and eleventh-grade students responded yes.
B Twelfth-grade students had the least percentage of students respond yes.
С Less than 40% of tenth-grade students responded no.
D The number of tenth-grade students who responded yes was greater than the number of ninth grade students who responded yes.
E The percentage of eleventh-grade students who responded no was less than the percentage of ninth grade students who responded no.