Consider the following statements:1. Some Claim to have seen UFOs (unidentified Flying Objects.).2. Life on other heavenly bodies is considered to be a possibility.3. Voyage to space is now an established fact.From the above statements, it may be concluded that:

• A. UFOs are heavenly bodies.
• B. UFOs are sent from other heavenly bodies.
• C. Some living species in other heavenly bodies are more intelligent than man.
• D. Nothing definite can be said about the UFOs