NN帮忙看一下

35． A star wil1 compress itself into a white dwarf, a neutron star, or a black hole after it passes through a red giant stage, depending on mass.
（A）A star will compress itself into a white dwarf, a neutron star， or a black hole after it passes through a red giant stage， depending on mass
（B）After passing through a red giant stage， depending on its mass， a star will compress itself into a white dwarf， a neutron star， or a black hole。
（C）After passing through a red giant stage， a star's mass will determine if it compresses itself into a white dwarf， a neutron star， or a black hole
（D）Mass determines whether a star， after passing through the red giant stage， will compress itself into a white dwarf， a neutron star， or a black hole
（E）The mass of a star， after passing through the red giant stage， will determine whether it compresses itself into a white dwarf， a neutron star， or a black hole

B怎么错?

Link:  http://forum.chasedream.com/dispbbs.asp?BoardID=23&ID=27383