Let $A=\{1,2,5\}$ and $B=\{2,7,8\}.$

Select all the cartesian products that $(5,7)$ is an element of$.$ There may be more than one correct answer.

A$.AA$

B$.BB$

C$.AB$

D$.BA$

Select all the cartesian products that $(8,2)$ is an element of$.$ There may be more than one correct answer.

A$.BB$

B$.AB$

C$.BA$

D$.AA$

Select all the cartesian products that $(2,2)$ is an element of$.$ There may be more than one correct answer.

A$.AB$

B$.BA$

C$.BB$

D$.AA$

Select all the cartesian products that $(1,1)$ is an element of$.$ There may be more than one correct answer.

A$.AB$

B$.AA$

C$.BB$

D$.BA$