Mitochondria is a double-membrane organelle involves the formation of energy.
The nucleus is enclosed by a double membranous sheath and control the cellular activities.
Plastid possesses double membrane as its covering and involves in the photosynthesis and provide colour to the leaves and fruits.
Lysosomes are surrounded by a single membrane. The lysosomal membrane allows the digestive enzymes to work at lower pH. It also protects the cytosol from digestive enzymes. Thus, the correct answer is option A.