hard · Enhanced ACT English
Consider these three sentences from a draft: The observatory's new telescope was installed in March. For two months it captured no images. Its cooling system had been wired incorrectly.
Which choice most effectively combines the three sentences into one clear and concise sentence?
- Installed in March, the observatory's new telescope captured no images for two months because its cooling system had been wired incorrectly.
- The observatory's new telescope was installed in March, it captured no images for two months, its cooling system had been wired incorrectly.
- The observatory's new telescope, installed in March and capturing no images for two months, had a cooling system that had been wired incorrectly.
- Installed in March and capturing no images for two months, the observatory's new telescope had been wired incorrectly in its cooling system.
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