The correct option is B addition Ploymer
TEFLON - It is an addition polymer prepared by heating tetrafluoroetane with a free radical.
nCF2=CF2Catalyst−−−−−−−−→Highpressure−[CF2−CF2−]n
Tetrafluoroetane Teflon
POLYAMIDE - These are polymers possessing amide linkage and Teflon doesn't contain any amide linkage.
POLYSTER - These are polycondensation products of dicarboxylic acids and diols.
FORMALDEHYDE RESIN - It can refer to many formaldehyde polymers such as melamine formaldehyde, urea formaldehyde, phenol formaldehyde.