Final answer:
The sentence that demonstrates a false dilemma in the passage is option d: 'Together, we can work to achieve our goals as a class. Apart, we will surely fail.'
Step-by-step explanation:
The sentence that demonstrates a false dilemma in the passage is option d: Together, we can work to achieve our goals as a class. Apart, we will surely fail.
This sentence presents a false dilemma by suggesting that the only two possible outcomes are either working together to achieve goals or failing apart.
In reality, there could be various ways to achieve success or failure that do not depend solely on the unity of the class.