One flies a kite with a thread 150 metres long. If the thread of the kite makes an angle of 60° with the horizontal line, then the height of the kite from the ground (assuming the thread to be in a straight line) is

A

50 meters

B

$$75 \sqrt{3}$$ meters

C

$$25 \sqrt{3}$$ meters

D

$$ 80 $$ meters