The punctuation mark that is not used internally in a sentence is a period (.). Periods are only used when ending a sentence therefore, it should only put at the end. Periods signal that the sentence has already ended and no continuation needed.
Among the two sentences given, the first sentence used the modifier correctly in order to clearly describe the words it is intended. The sentence, "I saw the car, that had passed us, screech to a halt at the red light." The modifier in this sentence is the phrase, "that had passed us". This phrase describes the word "car".
Answer:
D.
Explanation:
I was debating between C and D. I think D would make the most sense though.