Question

sneer has the same or almost the same meaning as:
slug
smirk
span
shawl

Explanation:

To solve this, we analyze the meanings: "sneer" means a scornful or mocking smile. "slug" is a mollusk or a hit; "smirk" is a smug or mocking smile (similar to sneer); "span" is a length or time period; "shawl" is a garment. So "smirk" is the synonym.

Answer:

B. smirk