(;AW[br]AW[cr]AW[dr]AB[er]AB[fr]AB[gq]AB[hp]AB[go]AB[fn]AW[eq]AW[fq]AW[gp]AW[fp]AW[fo]AW[eo]AW[dp]AW[do]AB[dq]AB[cq]AB[cp]AW[cn]AW[jq]AB[po]AB[pp]AB[qq]AB[qr]AW[pq]AW[oq]AW[np]AB[ql]C[A or B?]LB[hq:A]LB[ho:B]AP[goproblems]
(;B[ho];W[jo]LB[hm:A]LB[hq:B]
(;B[hm]TR[gq]TR[fr]TR[er]C[Give up worthless stones. - They are worthless because: 1. If Black saves them, he becomes too heavy 2. They aren't cutting anything, K3-O4 stones are fine, Black C3 is dead. 3. Even if you save them, they will only give Black 1 eye while you are threatened of being enclosed.RIGHT])
(;B[hq];W[gm]TR[go]TR[ho]TR[hp]TR[hq]TR[gq]C[This is too heavy, Black will have to struggle a lot to get out.]))
(;B[hq];W[jo]TR[hn];B[hn];W[gm]
(;B[gn];W[io];B[ho];W[jm]MA[fn]MA[gn]MA[go]MA[ho]MA[hn]MA[hp]MA[hq]MA[gq]C[This is unreasonable, Black is very heavy.])
(;B[hm];W[gn];B[ho];W[hl]C[This is too heavy, White gains a lot here.]))
(;B[jp]C[You have correctly identified that this is a good way to make shape here. This problem intends to show kyu players to differentiate between important and unimportant stones, which a simple choice between A and B does. You are correct, though.RIGHT]))