SAT English Practice Question

The scientist was researching a new method for detecting cancer cells in patients, a technique that could improve the diagnosis and treatment of the disease. The scientist’s work was considered groundbreaking in the field of medicine, and their findings were published in a leading medical journal. Which choice best maintains the grammatical consistency of the sentence?

1. A.The scientist was researching a new method for detecting cancer cells in patients, a technique that could improve the diagnosis and treatment of the disease, and their findings were published in a leading medical journal.
2. B.The scientist was researching a new method for detecting cancer cells in patients, a technique that could improve the diagnosis and treatment of the disease; their findings were published in a leading medical journal.
3. C.The scientist was researching a new method for detecting cancer cells in patients, a technique that could improve the diagnosis and treatment of the disease, their findings were published in a leading medical journal.
4. D.The scientist was researching a new method for detecting cancer cells in patients, a technique that could improve the diagnosis and treatment of the disease, because their findings were published in a leading medical journal.