Answer: B. While walking the empty streets at night, Leonard muses on the isolating effects of technology, thinking, “Everything went on in the tomblike houses at night now.”
Explanation: When introducing an information in an essay or any text, it is important to take in consideration certain aspects, like, for example, the introduction should not be redundant or repetitive compared to the information it introduces. It also should help explain the information. In this case, the correct answer is option B, because it helps to explain that Leonard compares the houses to tombs, because of the isolating effects of technology.
