单项选择题

What does the first paragraph tell us about Westhusin's dog cloning project

A．Its success is already in sight.
B．It is doomed to utter failure.
C．It is progressing smoothly.
D．Its outcome remains uncertain.
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单项选择题
By stupid endeavor ( Line 2, Para.1 ), Westhusin means to say that______.
A．human cloning is a foolish undertaking
B．animal cloning is absolutely impractical
C．human cloning should be done selectively
D．animal cloning is not worth the effort at all
单项选择题
We learn from the passage that animal clones am likely to have______.
A．an abnormal shape
B．a bad temper
C．defective organs
D．immune deficiency
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