This problem is from In The Beginning, by Ikuro Ishigure. There may be several good moves, but "the author does not have any great qualms in ranking the best choice well ahead of the others."
I include his scores, out of 10, for the wrong variations.
(;AB[qc]AB[pd]AB[pf]AB[pj]AB[pn]AB[po]AB[pp]AB[pq]AB[or]AB[nq]AB[mo]AB[ln]AB[lm]AB[kl]AB[jl]AB[il]AB[jn]AB[jp]AB[kq]AB[fp]AW[cc]AW[kc]AW[nc]AW[pb]AW[cq]AW[cn]AW[jk]AW[kk]AW[mj]AW[ll]AW[ml]AW[mm]AW[mn]AW[np]AW[lp]AW[lq]AW[qq]AW[pr]AW[rr]AW[qs]AW[qo]C[What's the best move?FORCE]TR[qn]TR[ph]TR[ik]TR[di]TR[ce]TR[cf]TR[df]TR[de]TR[dd]TR[ed]TR[ec]TR[fc]TR[fd]TR[jd]TR[dq]TR[eq]TR[dp]AP[goproblems]
(;B[dd]C[RIGHT];W[dc]C[This is the best move in the most important place. This is exactly the type of situation this move is for.];B[ed];W[be];B[dg]C[RIGHT])
(;B[ec]C[8])
(;B[qn]C[Ishigure gives a 6/10])
(;B[dq]C[8])
(;B[eq]C[8])
(;B[dp]C[5])
(;B[di]C[6]LB[ci:6]LB[ch:6]LB[dh:6])
(;B[cf]C[7])
(;B[ce]C[8])
(;B[df]C[8])
(;B[de]C[6])
(;B[ed]C[6])
(;B[fd]C[7])
(;B[fc]C[7])
(;B[jd]C[6])
(;B[ik]C[7])
(;B[ph]C[4]))