The following question presents a sentence, part of which is underlined. Beneath the sentence you find four ways of phrasing the underlined part. Following the requirements of the standard written English, select the answer the produces the most effective sentence.
Tuberculosis, together with its effects, ranks one of the leading causes of death in India.
(a) ranks as one of the leading causes of death.
(b) ranks as one of the leading causes of death.
(c) has the rank of the leading causes of death.
(d) are one of the leading causes of death.