Consider the following statements about comets: 1. Most comets have elongated elliptical orbits that take them close to the sun for a part of their orbit, and then out into the further reaches of the solar system for the remainder. 2. If a comet is travelling fast enough, it may leave the solar system. which of the statements given above is/are correct?

• A. both 1 and 2
• B. 1 only
• C. 2 only
• D. neither 1 nor 2