Star Formation Is an Inefficient Process, with Only a Few

Multiple Choice

Star formation is an inefficient process, with only a few percent of the initial cloud fragment ending up as stars.This means the initial mass of a molecular cloud fragment that formed a 2 M_SUN star was probably close to

A) 1 M_SUN.
B) 50 M_SUN.
C) 100 M_SUN.
D) 5,000 M_SUN.
E) 1,000,000 M_SUN.