NCIS, TV show
Context: Gibbs quits NCIS and moves to Mexico where he stays at Franks's house. But then he temporarily comes back to work on an old case with Franks. This is the dialogue they have before they breach the suspect's apartment.
Franks: I imagine you'd rather be enjoying a nice drink in a cantina right about now.
Gibbs: The thought had crossed my mind.
Franks: Mine, too.
Please explain why it's past perfect and not present perfect "The thought has crossed my mind"?
Context: Gibbs quits NCIS and moves to Mexico where he stays at Franks's house. But then he temporarily comes back to work on an old case with Franks. This is the dialogue they have before they breach the suspect's apartment.
Franks: I imagine you'd rather be enjoying a nice drink in a cantina right about now.
Gibbs: The thought had crossed my mind.
Franks: Mine, too.
Please explain why it's past perfect and not present perfect "The thought has crossed my mind"?