单项选择题

16-20


FIVE-DAY WEATHER
TODAY TOMORROW SUNDAY MOMDAY TUESDAY
High 29 High 28 High 27 High 26 High24
Low 21 Low20 Low 19 Low17 Low16
Variably cloudy Mainly cloudy with isolated showers ending in the afternoon Sunny with cloudy periods developing in the afternoon Thunder howers (POP 80%) Windy with thundcrshowcrs and possibly storm in the north
Sunrise: Sunrise: Sunrise: Sunrise: Sunrise:
6:35 a.m. 6:36 a.m. 6:38a.m 6:40 a.m. 6:42 a.m.
Sunset: Sunset: Sunset: Sunset: Sunset:
8:04 p.m. 8:02 p.m 8:00 p.m. 7:57 p.m. 7:55 p.m.
What day has the greatest temperature difference between day and night()

A.Monday.
B.Tuesday.
C.Saturday.
D.Sunday.