请选择ABC-N4{'pI ________ lots of people in the park yesterday afternoon..p(x5s7I6@)O0f1T5S8K/W/T
A. saw.p(x5s7I6@)O0f1T5S8K/W/T
B. see.p(x5s7I6@)O0f1T5S8K/W/T
C. am seeing.p(x5s7I6@)O0f1T5S8K/W/T