the answer would be c. oppressively. oppressively is an adjective it means causing discomfort by being excessive and some synonyms for it include burdensome, unjustly, and harsh.
The word that best defines "unjustly inflicting hardship and constraint" among the options is "oppressively".
The word oppressively is an adverb that can be replaced with the word cruelly . it simply means to act in an unfair way or unjustly causing discomfort to people . Examples
The early Christians experienced the most oppressively regimes.
Dictatorship government are known for it oppressively nature.
The adjectival form, it is used as oppressive which mean unjustly harsh, causing excessive discomfort.
