Passage II

11. The function of the first paragraph in relation to the
passage as a whole is to:

  • A. orient the reader to the subject of longitude by
    explaining how longitude is determined at sea.

  • B. explain the political significance of developing an
    accurate way of determining longitude.

  • C. establish that longitude calculations are necessary
    to determine time in two different places at once.

  • D. introduce a discussion of how knowledge of Earth’s
    position relative to the Sun was gained in the
    process of advances in timekeeping.