A clinical trial clinic in California is offering older patients the chance to pay $10,000 to receive blood transfusions from younger people aged 16 to 25; however, scientists say that such transfusions <u>have a much greater likelihood of leading to infections among the recipients than they have to slow down</u> the aging process.
(A) have a much greater likelihood of leading to infections among the recipients than they have to slow down. (Parallelism error)
(B) make infections among
...
(A) have a much greater likelihood of leading to infections among the recipients than they have to slow down. (Parallelism error)
(B) make infections among
...
