[单选题]
A proton strikes an oxygen-18 nucleus producing fluv288 p2 6p9)ime bhy)l ssodso..a ygporine-18 and another partic v c+omi-(h(:zdncm j q)v-o;jle. What other particle is produced by this nuclear reaction-( o mc)m+(cojj hvqn-:ivd;z?
A. a neutron
B. an $\alpha$ particle
C. an $b-$ particle
D. an $b+$ particle
