What was the impact of Gutenberg's printing press on the Protest

What was the impact of Gutenberg's printing press on the Protestant Reformation?
A、It had no significant impact on the movement.
B、It helped to spread Martin Luther's ideas through the mass production of his writings.
C、It led to the banning of printed materials by the Catholic Church.
D、It caused a decline in literacy rates across Europe.
【正确答案】：B
【题目解析】：It helped to spread Martin Luther's ideas through the mass production of his writings.