Choose the correct participle clause for simultaneous actions:
'______ through the dense forest, the ecologists observed several endangered avian species.'
Answer and explanation
Correct answer: D. Walking
- Step 1: A present participle clause ('Walking through...') denotes an action occurring simultaneously with the main clause action ('observed').
- Step 2: The subject of the participle ('ecologists') matches the subject of the main verb.
Answer
Walking.
Why not the others: 'Walked' is a past participle indicating passive voice; 'Having walked' implies the walk had concluded prior to the observation; 'To walk' is an infinitive of purpose.
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