Atomic Structure: JEE Main 2023 Chemistry question

The number of correct statements from the following is ___________. A. For $1 \mathrm{s}$ orbital, the probability density is maximum at the nucleus B. For $2 \mathrm{s}$ orbital, the probability density first increases to maximum and then decreases sharply to zero. C. Boundary surface diagrams of the orbitals encloses a region of $100 \%$ probability of finding the electron. D. p and d-orbitals have 1 and 2 angular nodes respectively. E. probability density of p-orbital is zero at the nucleus