请选择CBA5R.K-q:x3y(\-x(M4~7f These stamps are _______ China and they ________ from 1988.*s/}+l/m6L)m:h,V7O3[
A. on , are*s/}+l/m6L)m:h,V7O3[
B. in , are*s/}+l/m6L)m:h,V7O3[
C. from , are*s/}+l/m6L)m:h,V7O3[