Which of the Following Scenarios Would Likely Result in the Development

Which of the following scenarios would likely result in the development of a passive continental margin?

A) Two tectonic plates colliding, creating a submarine trench
B) Continental blocks rifting apart and becoming separated by seafloor spreading
C) Two tectonic plates sliding past each other, rotating part of the crust
D) A mantle plume creating a chain of volcanic islands across the seafloor