Which of the Following Is True of the September Equinox

Which of the following is true of the September equinox?

A) All latitudes on Earth, except the Equator, experience unequal daylengths.
B) The subsolar point is at the Tropic of Cancer (23.5° N) .
C) The sun rises at the South Pole, where it will remain over the horizon for the following six months.
D) The Northern Hemisphere spring officially begins.
E) The subsolar point is at the Tropic of Capricorn (23.5° S) .