Which polymer has 'chiral' monomer$(s)$?

Which of the following is a polyamide class polymer?

Which of the following statements is correct?

$C_6H_6O$ (phenol) $\xrightarrow[\text{3}H_2\text{ (High temp and pressure)}]{Ni} (A)$ $\xrightarrow{Cu} (B)$ $\xrightarrow{NH_2OH} (C)$ $\xrightarrow{H^{+}} (D)$ $\xrightarrow{HO^{-}} (E)$
Product $(E)$ is

Which one among the following is a thermosetting plastic?

Name the polymer used in the manufacturing of rayon.