Answer:
because it could be like a trailer for a book
Explanation:
Well mostly they are: I, me, we, us, my, mine, our, ours, myself, ourselves.
I believe the answer is the third one
Tomato plants have clever, powerful ways to protect themselves.
The subject of this sentence is 'anyone', it is the doer of the action, the possible 'seer' of the striped umbrella.
A isn't correct because 'you' isn't the subject, but anyone
C is the object.
D is the helping verb.