My pen        ; I have looked for it everywhere but still        it.

A．has lost; don’t find      B．is missing don’t find

C．has lost; haven’t found    D．is missing; haven’t found

My pen ________; I have looked for it everywhere but still ________ it.

[　　]

A．has lost; don't find

B．is missing; don't find

C．has lost; haven't found

D．is missing; haven't found