Which of the following statements are true?

A. A square matrix A is said to be non-singular If |A| = 0
B. A square matrix A is invertible if and only if A is non-singular matrix.
C. If elements of a row are multiplied with cofactors of any other row, then their sum is zero.
D. A is square matrix of order 3 then |Adj.(A)| = |A|³

Choose the correct answer from the options given below

B and C only

A. → false       A is non singular if |A| ≠ 0

B. → true   ,   C. → true

D. → false      |Adj (A)| = |A|²