A new stroke treatment system

A new stroke treatment system is being developed by the Hunter Medical Research Institute in Australia, and if the system proves that it can effectively allow more stroke patients to receive thrombolysis within the three hour treatment window than currently possible, it will save the lives of many as well as millions of dollars.

A. A new stroke treatment system is being developed by the Hunter Medical Research Institute in Australia, and if the system proves that it can effectively allow more stroke patients to receive thrombolysis within the three hour treatment window than currently possible, it will save the lives of many as well as

B. A new stroke treatment system is currently being developed by the Hunter Medical Research Institute in Australia, and if the system proves that it can effectively allow more stroke patients to receive thrombolysis within the three hour treatment window than currently possible, it has saved the lives of many and

C. If the new stroke treatment system, currently being developed by the Hunter Medical Research Institute in Australia, proves that it can effectively allow more stroke patients to receive thrombolysis within the three hour treatment window than currently possible, it will save the lives of many and

D. If the new stroke treatment system that is being developed by the Hunter Medical Research Institute in Australia proves that it can effectively allow stroke patients to receive thrombolysis within the three hour treatment window, it will save the lives of many and

E. If the new stroke treatment system, currently being developed by the Hunter Medical Research Institute in Australia, proves that it can effectively allow more stroke patients to receive brain saving thrombolysis within the three hour treatment window than currently possible, it would save the lives of many and

What is wrong with other options?

OA C

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