It Is the Year 1920 and You Are Conducting a Survey

It is the year 1920 and you are conducting a survey of the astronomy community on the question: "What is the nature of the spiral nebulae?" What response are you likely to receive?

A) The overwhelming opinion is that spiral nebulae are relatively small objects in the outer part of the Milky Way Galaxy.
B) The overwhelming opinion is that spiral nebulae are large, distant galaxies somewhat like the Milky Way.
C) There is a deep division of opinion between these two views of the nature of spiral nebulae.
D) Because spiral nebulae have just been discovered, no one has much of an opinion about them yet.