Although early daguerreotypes captured incredibly sharp details, the long exposure times required subjects to sit perfectly still for several minutes. Photographers used metal head braces that were clamped behind the subject's head in order to keep the person from moving or shifting during the portrait session.
Which choice most effectively and concisely expresses the underlined portion of the sentence?
- ANO CHANGE
- to keep the subject stillAnswer
- Cso that movement by the subject was prevented by the brace
- Dto keep the subject still, this prevented blurring
Answer
to keep the subject still
The correct answer is the most concise and direct option. It eliminates the wordy phrase 'in order to' and removes the redundant synonyms 'moving' and 'shifting' while remaining grammatically correct.
Step-by-Step Solution
Key Concept
Eliminating Wordiness