Nuclear membrane is continuous with
a)	Rough endoplasmic reticulum	b)	Smooth endoplasmic reticulum
c)	Cell membrane	d)	Golgi bodies

(a)

Karyotheca or nuclear envelope or nuclear membrane consists of two membranes, ., the outer and inner nuclear membranes, which are separated by a perinuclear space and perforated by pores. The outer membrane is continuous with rough endoplasmic reticulum, while the inner membrane surrounds the nucleoplasm.