Mac positioned her hands and tried to think . Her head was full of Neville right now . She just started playing . Hera had come in for a butterbeer , but when the piano playing started , she nearly dropped her bottle .
According to the above context, choose the best option to answer the following question.
Question: What does Mac seem to be apprehensive in playing the piano at first ?
Options:
A. None of the above choices .
B. She had not played the piano in this bar before .
C. Her mind is on thoughts of another person while she is trying to perform .
D. She was trying to think of what her hands should be doing .


C