Which sentence uses the irregular verb see correctly?

AMary sawed that man again yesterday.
BI thought I seen him in the yard.
CSam has seen the same man in New York City.
DWhen had you saw him last?

Verified Answer :

C
seen--used in perfect tenses 
saw--past tense 
sawed--has nothing to do with the word "see," but I think such a word exists. 

Correct forms of senetences A, B, and D: 
A: I thought I SAW him in the yard. 
B: Mary SAW that man again yesterday. 
D: When had you SEEN him last?

Sam has seen the same man in New York City.