While delivering a speech about school participation, the principal used this inspirational quote . . “working as a team, with enthusiasm and a positive outlook, will lead to the achievement of great outcomes.”

which is the best revision of this sentence?

a)while delivering a speech about school participation, the principal used this inspirational quote— “working as a team, with enthusiasm and a positive outlook, will lead to the achievement of great outcomes.”

d)while delivering a speech about school participation, the principal used this inspirational quote; “working as a team, with enthusiasm and a positive outlook, will lead to the achievement of great outcomes.”

c)while delivering a speech about school participation, the principal used this inspirational quote. “working as a team, with enthusiasm and a positive outlook, will lead to the achievement of great outcomes.”

d)while delivering a speech about school participation, the principal used this inspirational quote: “working as a team, with enthusiasm and a positive outlook, will lead to the achievement of great outcomes.”

d right?