When Griffith Experimented with Two Types of Streptococcus Pneumoniae, He

When Griffith experimented with two types of Streptococcus pneumoniae, he found that if the

A) non- deadly strain was mixed with the heat- killed, non- deadly strain before injection, the mice died.
B) non- deadly strain was mixed with the heat- killed, deadly strain before injection, the mice died.
C) deadly strain was heat- killed before injection, the mice died.
D) non- deadly strain was mixed with the heat- killed, deadly strain before injection, the mice lived.