ANS:A - 23

The figure may be labelled as shown. The simplest parallelograms are EMLA and NIDJ i.e. 2 in number. The parallelograms composed of two components each are BFMG, CGNH, GMKN, FGME, GHNM, MNKL, FGNM, GHIN and MNJK i.e. 9 in number. The parallelograms composed of three components each are FGLA, ENKA, GHDJ and MIDK ie. 4 in number. The parallelograms composed of four components each are FGJK, GHKL, FBNK, CHKM, EFHN and MFHI i.e. 6 in number. The parallelograms composed of seven components each are FHKA and FHDK i.e. 2 in number. Total number of parallelograms in the figure = 2 + 9 + 4 + 6 + 2 = 23.