题目内容
(请给出正确答案)
[主观题]
According to the passage, which of the following is true about the way stars usually form?
A.They tend to overlap as they appear.
B.They tend to result from the residual matter of supernovas.
C.They tend to generate in sudden irregular fits.
D.They tend to destroy their progenitor clouds.
E.They tend to form. away from gas coronas.
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