Soon his study ivory stride was heard as to and fro he paced and his old rounds upon planks so familiar to his tread that they were all over dented like geological stones with the peculiar mark
B (i’m just copying someone’s answer cause i only have 1 more photo left to take)
The answer is "c. He thinks attending such an elegant affair will make Mathilde happy."
Become
Base Form:Become
Past Simple:Became
Past Participle:Become
3rd Person Singular:Becomes
Present Participle/Gerund:Becoming