The correct sequence of the earth's location on its orbit around the sun is

• A. autumnal equinox, vernal equinox, summer solstice, winter solstice
• B. vernal equinox, summer solstice, autumnal equinox,
• C. summer solstice, vernal equinox, winter solstice, autumnal equinox
• D. winter solstice, summer solstice, autumnal equinox, vernal equinox