关于TPO5听力的一个问题

mylittlejojoUID: 2897102

D:But if we know around how old the basin is,I am not sure that's reason enough to go to moon again?
P:No...but such crude estimates,...um ..we can do better than that.

第三篇lecture的重听题。
...but such crude estimates,...可以imply 什么？

A. the current age estimates for the South Pole-Aitken Basin are based on incorrect assumptions
B. The technology to analyze Moon rocks has not advanced much since the days of the Moon landings
C. Too few of the original Moon rock samples were dated accurately
D.Only by testing samples from Suth Pole-Aitken Basin can its age be precisely determined.

hycqyUID: 2819662

1# mylittlejojo 答案是D 注意这篇文章的主旨  就是在讨论是不是在进行一次登月  but such crude estimates表示现在对年龄的估计太粗略了 只有通过再一次登月采集到样本才能精确估计年龄 因此D正确