What is the equivalent command in MongoDB for the following SQL query?

SELECT $*$ FROM article WHERE author like $"\%$Mary$\%"$

Question $15$ options:

db$.$article.find$(\{$ author: $/$Mary$/\})$

db$.$article.find$(\{$ $like: $\{$author: $/$Mary$/\}\})$

db$.$article.find$(\{$ author: $/^$Mary$^/\})$

db$.$article.find$(\{$ author: $\{$$like: $/$Mary$/\}\})$