What is the entry returned by the peek method after the following stack operations?

push $($T$),$ push $($K$),$ push$($R$),$ pop$(),$ push$($L$),$ pop$(),$ push$($P$),$ pop$(),$ push$($J$),$ push$($S$),$ pop$(),$ pop$()$

Select one:

A$.T$

B$.K$

C$.S$

D$.$ J