The verb 'have' can be used as an auxiliary verb when making the present perfect tense.
To make the present perfect: has or have + the past participle.
Because it was too loud or because it didn’t have space
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Correct answer is C. Time.
The excerpt Ozymandias states "nothing beside remains round the decay", meaning: time. The excerpt Ode on a Grecian Urn it states "when old age shall this generation", meaning time again.
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