Which of the Following Was NOT a Reason for European

Which of the following was NOT a reason for European interest in finding a maritime trade route?

A) that the spread of the bubonic plague made the Silk Roads more dangerous
B) that Mongol domination had caused trade along the Silk Roads to stop
C) the high prices charged by Muslim merchants
D) the demand in Europe for items such as Indian pepper and Chinese ginger
E) the desire to expand the boundaries of Christianity