ACT English Practice Question #1612 (Hard (580)) | Test Citadel
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ACT English Difficulty: Hard (580)

Digital ACT English Practice Question #1612

Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.

Choose the best option for the underlined portion: Having analyzed the geological sediment layers under electron microscopes, the presence of volcanic ash was confirmed by the researchers.
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When a sentence starts with an '-ing' or 'Having + past participle' modifier, ask: 'WHO did the action?' That noun must come right after the comma.

Masterclass Solution & Distractor Trap Analysis

The introductory participial phrase 'Having analyzed...' must logically modify the subject immediately following the comma. The researchers performed the analysis, not the 'presence' or 'confirmation'. Option C correctly places 'the researc...

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

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