Which Statement BEST Interprets the Statement Below? the LD₅₀ for Radiation

Which statement BEST interprets the statement below? The LD₅₀ for radiation is an acute dose of 3-4 Sv.

A) Exposure to 50 mg of a radiation source will result in radiation poisoning.
B) Exposure to 50 mg of a radiation source will result in death.
C) Fifty percent of people exposed to this dose will get sick within one month of the exposure.
D) Fifty percent of people exposed to this dose will die within one month of the exposure.
E) 4 to 6 Sv is the maximum dose that 50% of people can undergo without long-term injury.