(;GM[1]FF[4]CA[UTF-8]AP[Sabaki:0.51.1]KM[6.5]SZ[19]DT[2021-04-30]AW[rs][rr][qn][on][op][np][mp][mq][lq][pq][qq][pr][ps][or][ls][kr][jr]AB[sr][rq][rp][qp][pp][rn][ql][ol][qr][oq][nq][nr][ns][mr][lr][kq][jq][ir]PL[W];W[ks];B[sq];W[iq];B[ip];W[hq];B[hr];W[hp];B[gq];W[gp];B[fq]C[A and B would also work since the ladder seems good for white.

It will probably be better to put a stone somewhere on the left if you want C to be the answer.]LB[jo:C][jp:A][kp:B])