Answer:
Subjesr is the doer of the verb
A is correct.
Explanation: Because it's means it is
Its means something like theirs, itself, e.x - the dog likes to curl up in its bed.
Harriet the Spy had only one ambition in life, and that was to be a spy.
- - -
She practiced and did research and worked very hard to become one.
The word <em>wishing </em>is used as a participle in this case. Although gerunds and participles look the same, they are used in different senses - gerunds generally denote nouns, whereas participles have more of an adverbial meaning.
