[单选题]
In a game of pool, the white cue ball hits the #9 ball and is deflected at x5xle 615xnjl:,o t fda e) 8jvf;wvzb,c prlh6jlz6i .i )9(ks$35^{\circ}$ angle to the original line of motion. What is the angle of deflection below the original line of motion for the #9 ball?
A. $35^{\circ}$
B. $55^{\circ}$
C. $75^{\circ}$
D. $90^{\circ}$