How Often Do Sunlike Stars (Of a Type Considered Likely

How often do Sunlike stars (of a type considered likely to be circled by an inhabitable planet) form in the Milky Way Galaxy, on average?

A) Hundreds of such stars form per year.
B) About one such star forms per year.
C) Astronomers cannot yet answer this question.
D) Less than one such star forms per thousand years.