[单选题]
A student pulls a box of books on a smooth hori io4a 61xtr0r 8yggzb*ze i4*(8jv,rc: hiz hzuontal floor with a force of 100 N in a directic8uivh4 ( :re,z*ji zhon of $37^{\circ}$ above the horizontal. If the mass of the box and the books is 40.0 kg, what is the acceleration of the box?
A. $1.5 \; m/s^2$
B. $1.9 \; m/s^2$
C. $2.0 \; m/s^2$
D. $3.3 \; m/s^2$
