[单选题]
02.18: The motion of a circus clown on a 4+a1cd+ o kazyun /m;ln+ahvijqsi 4;en8-9 v-wpjbs 1s icycle moving in a straight line is shown in the graph beljs1qi9lsi hmn v;wn-seb /8ja- +;pv4ow.
After 12 seconds, how far is the clown from her original starting point?