The Strange Case of Dr. Jekyll and Mr. Hyde (1886)Which sentence creates a mood of foreboding in this selection

This question is incomplete. Here´s the complete question.

The Strange Case of Dr. Jekyll and Mr. Hyde (1886)

Which sentence creates a mood of foreboding in this selection?

A "It chanced on one of these walks that their way led them down a side street in a busy quarter of London."

B "The inhabitants were all doing well, it seemed, and all hoped to do better still."

C "It instantly caught and pleased the eye of the observer."

D "A certain sinister block of building thrust forward its gable on the street."

D "A certain sinister block of building thrust forward its gable on the street."

Explanation:

Foreboding refers to a sense that something really bad will happen soon. In the examples provided, the line that uses the word "sinister" is the one that provides foreboding as it builds up a suspicion that there´s something wrong ahead. The rest are merely describing circumstances that don´t necessarily point to a bad situation.

d: their own individual powers within the new goverment

the term is einsatzgruppen