[单选题]
The windings of a DC motor have a resistance 98tz+ pvjmj :irvl 7dbs3( nrz:14y wmof 6.00 W. Thebw/d sqwbi895 motor operates on $120 \; V$ AC, and when running at full speed it generates a back $emf$ of 105 V. What is the starting current of the motor?
A. $2.50 \; A$
B. $17.5 \; A$
C. $20.0 \; A$
D. $37.5 \; A$
