It is B. When you use il to start your sentence, you cannot use A, because that is only used for Ils and Elles, C is only used for nous, and D is only used for Tu.
Answer:
Hope this helps :D
Explanation:
Je <u>fais</u> un gâteau.
I'm making a cake.
Je <u>fais</u> mes devoirs.
I'm doing my homework.
Tu<u> fais</u> du sport?
Do you exercise?
Tu <u>fais</u> quoi?
What are you doing?
Vous<u> faites</u> quoi?
What are you doing?
<em>Bonjour ! </em>
<em />
<em>De quelle banque viens-tu ?</em>
d. De laquelle ?
banque = féminin/singulier
de laquelle = féminin/singulier