In the sentence below, a word is missing and replaced by a blank. Choose the best possible word from the given options that can fit into the given blank without altering the intended meaning.

Traditional beliefs can still ____________________ alongside a modern urban lifestyle.

Correct option is B

The sentence gives the essence of continuation though the word “alongside” thus, the correct word will be, “flourish”. The sentence would then read: "Traditional beliefs can still flourish alongside a modern urban lifestyle." To flourish means to thrive, prosper, or be in a healthy and successful state, which implies that traditional beliefs can coexist successfully with a modern urban lifestyle.
Eject: force or throw (something) out in a violent or sudden way.
Flourish: grow stronger
Float: rest or move on or near the surface of a liquid without sinking.
Plummet: fall or drop straight down at high speed
Perish: die, especially in a violent or sudden way.