Question 965257
vertex at the origin ({{{h}}},{{{k}}})=({{{0}}},{{{0}}})

directrix: {{{y=k-p=-10}}}=> since {{{k=0}}} we have {{{0-p=-10}}}=>{{{p=10}}}

and, since focus is at  ({{{h}}},{{{k+p}}}), we have ({{{0}}},{{{0+10}}})=> ({{{0}}},{{{10}}}) 

so, your answer is C. ({{{0}}},{{{10}}})