The doctors said that out of the several factors that caused

[BTGmoderatorDC]

The doctors said that out of the several factors that caused the lady's stroke, the most detrimental, according to the diagnosis, was hypertension, or high blood pressure, and that luckily this factor is the most controllable element in the creation of such a blood clot.

A. the most detrimental, according to the diagnosis, was hypertension, or high blood pressure, and that luckily this factor
B. the most detrimental, according to the diagnosis, were hypertension, or high blood pressure, and that luckily this factor
C. the most detrimental, according to the diagnosis, was either hypertension or high blood pressure and that luckily these factors
D. according to the diagnosis, the most detrimental was hypertension, whereas luckily high blood pressure
E. the most detrimental was, as the diagnosis have shown, hypertension, or high blood pressure, which luckily

OA A

Source: Economist Gmat