Answer-Below are three sentences (A), (B), and (C). One or more of them may contain a grammatical or usage...

Sentence A is correct. When a sentence begins with Scarcely, it takes inverted word order had subject past participle and connects using when, which is correctly applied here. Sentence B is correct. It follows correct exclamatory sentence structure without unnecessary inversion after the introductory word How remarkable it is.... Sentence C is correct. It uses proper passive voice was tested successfully to describe a completed action in the past.

Question

Below are three sentences (

A , (
B , and (
C . One or more of them may contain a grammatical or usage error. Choose the option that identifies which sentence(s) are error-free. Ignore punctuation errors, if any. A. Scarcely had the researchers published the groundbreaking study on climate feedback loops when environmentalists started demanding immediate policy reforms globally. B. How remarkable it is that a sixteen-year-old student developed a low-cost stove that runs on water and renewable fuel! C. The railway board confirmed that the high-speed freight train was tested successfully along the commercial corridor last week.