[单选题]
Which of the following is no4si d(je.vk7sp r-ekpv 77w(f2oq hh- t considered to be one of the four funmy5pnk jstqt :109 f*hdamental forces? *s0:t phjy15n k9fmqt
A. the gravity force
B. the meson force
C. the weak nuclear force
D. the strong nuclear force
E. the electromagnetic force