If l,m,n are the pth, qth, rth terms respectively of a G.P.`(l,m,ngt0) then |(logl, p, 1)

If l,m,n are the pth, qth, rth terms respectively of a G.P.`(l,m,ngt0) then |(logl, p, 1),(logm,1,1),(logn,r,1)|`= (A) `pqr `(B)` l+m+n `(C) 0 (D) none of these