Had=S. Past
to capture -infinitivo (after another verb)
examining- gerund (after prepositions)
Answer:
1. You shouldn't leave your ....
2. Someone must have stolen the paintings....
3. You didn't need to ask ....
4.Lousie may have drawn the dragon on the wall.
Answer hypothesis i believe
Answer: A
Explanation: I personally would say the answer is A but it could very well be D. Depends if you take it in a literal or metaphorical sense.