Tanner uses his computer to highlight the word in Bold faced type.
Sorry, spell the to thi? I can’t really understand.
In my opinion I think it's A it could be C but when you see someone around you physically see but you wouldn't call them strangers if you physically resemble and know the person. In answer a it says "emotionally disconnected" which can mean strangers but it can be temporary.
It's supposed to be Our neighbors are across the street.
B. Carefully
Adverbs modify verbs. In this sentence, "approached" is the verb so "carefully" is the adverb.