【单选题】The sentence "You set the pace. I will try to adjust to you." (para.2) means ___________.
A.
"The son decides on the speed and the father will try to walk at the same speed."
B.
"The son walks first and the father will try to follow him."
C.
"The son stops so that the father can try to change the way he walks."
D.
"The son decides which way to go and the father will try to go that way."