I've got a question!

[Yaman]

It was the best known and ........the
most popular of her songs.

a) clearly
b) probably
c) appropriately
d) likely

Which one is correct and why?

[Yaman]

Come on you guys
I need an answer!

[Josef Essberger]

It was the best known and ........the
most popular of her songs.

a) clearly
b) probably
c) appropriately
d) likely

Which one is correct and why?

Without the full context it's impossible to say. c) is almost certainly wrong, but depending on context all the others are conceivable.

[Yaman]

It was the best known and ........the
most popular of her songs.

a) clearly
b) probably
c) appropriately
d) likely

Which one is correct and why?

Without the full context it's impossible to say. c) is almost certainly wrong, but depending on context all the others are conceivable.

Thank you so much sir!

[alexanderfinn]

a and b are both possible.