Which of the Following Statements Best Describes the Basilar Membrane

Which of the following statements best describes the basilar membrane of the organ of Corti?

A) The apex responds better to low frequencies than the base does
B) The base is wider than the apex
C) The base is more compliant than the apex
D) High frequencies produce maximal displacement of the basilar membrane near the helicotrema
E) The apex is relatively stiff compared to the base