Which lists are punctuated correctly? check all that apply.

a. the students competing in the debate were from schools in: houston, tx; phoenix, az; and santa fe, nm.
b. the plant came in three varieties: yellow, pink, and white flowers; orange, pink, and yellow flowers; and plain white flowers.
c. i arranged my schedule so that i have study hall first thing in the morning on mondays, tuesdays, and fridays.
d. we had a hard time picking between soccer, field hockey and tennis, so we decided to play all three.
e. because shira could sing, dance, and act, she decided to audition for the school’s annual spring musical.