An accurate clock shows 8 o'clock in the morning. Through how many degrees will the hour hand rotate when the clock shows 11 o'clock in the morning?  Choose the correct option
A) 180°	B) 90°	C) 160°	D) 60°	E) 120°
The angle traced by the hour hand in 12 hours is 360°, which is 30° per hour.   In 3 hours, the angle traced by the hour hand is 3×30° = 90°   The answer is 90°.
<result>B</result>
An accurate clock shows 8 o'clock in the morning. Through how many degrees will the hour hand rotate when the clock shows 11 o'clock in the morning?