题目内容
（请给出正确答案）
[主观题]
Which of these statements is true based on the information in the passage？A．The earth is o
Which of these statements is true based on the information in the passage？
A．The earth is one of the oldest planets in our galaxy.
B．Most scientists believe that there is intelligent life on other planets.
C．Scientists are trying different ways to find signs of life on other planets.
D．More advanced civilizations than ours have developed on other planets.
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