According to the authors of Innovator's DNA, which of the following statements is correct?

a. Innovators mainly ask questions to determine financial feasibility.
b. Innovators ask lots of questions to better understand what is and what might be. They ignore safe questions and opt for crazy ones, challenging the status quo and often threatening the powers that be with uncommon intensity and frequency.
c. Innovators often have good questions but typically they won't ask them for fear that they'll be perceived as rude and meddlesome.
d. Innovators do ask questions but the questions tend to be overly technical and complicated. Realizing that most people are not as intelligent as they are, they simply remain silent.