—I called you yesterday afternoon．but there was no reply．

—I                a dolphin show at the zoo with my cousins all the afternoon．

A．have watched                                           B．will watch   

C．am watching                                             D．was watching

--- I called you yesterday afternoon, but there was no reply.

---I ______ a dolphin show in the zoo with my cousins.  

A．watched           B．will watch           C．am watching               D．was watching

---I called you yesterday afternoon, but there was no reply.
---I ______ a dolphin show the zoo with my cousins.