Complete the collocation with the most appropriate option.
I met my professor yesterday and we _____ a long conversation about books and work.

Correct option is C

The correct option to fill in the blank is (c) had.
Explanation: The phrase “ had a conversation” is a standard collocation. It means to engage in conversation with someone.
Example: We had a productive conversation yesterday.
Explain why other options are incorrect:
· (a) did – "do a conversation" is incorrect (Incorrect collocation)
· (b) spoke – “spoke a conversation” is not idiomatic
· (d) talked – “talked a conversation” is incorrect; correct would be “talked to/with someone”