What's your telephone number?这句英文怎么回答

What's your telephon number?____278-106 A.I'm B.it C.it's D.is it Is that a ruler?No,_____A.It isn't B.that isn't how to go through the formalities ifI want to join the democratic party?where is the boss of Demo party?what's his telephon number? what's your mother? what's your mother what’s your major? what s your favourite What’s your name? What's your name? WHAT'S YOUR AGE? what's your what's your idea? what‘s your name what's your speech What's your dream? what’s your What's your h_______? What's your hobby? What's your job?