daagh wrote:
Tuberculosis, a major cause of death in most of the third world countries is an especially dangerous disease because it spreads through air and requires a complex therapeutic regimen for curing it.
my take: C
(A) an especially dangerous diseasebecause it spreads through air and requires a complex therapeutic regimen for curingit .
repeats two times IT
(B) an especially dangerous diseasespreading through air andrequiring a complex therapeutic regimen for curing it
removes the causality
...
