Read the Chinese dialogue below and answer the question.
Lǐ Hóng: Wǒ biǎo gē qù yīyuàn jiǎnchá chūlái de jiéguǒ shì yángxìng.
李红：我表哥去医院检查出来的病毒结果是呈阳性。
Chén Lì: Tiān a! Qián liǎng tiān búshì hái shuō shì fǒu yīn xìng ma?
陈丽：天啊！前两天不是还说是阴性吗？
Lǐ hóng: Shì de. Xiànzài qíngkuàng yòu biàn le.
李红：是的。现在情况又变了。
According to the dialogue, which of the following statements is true?
A.Li Hong’s cousin has infected by the virus.
B.Li Hong’s cousin hasn’t infected by the virus.
C.Chen Li’s cousin has infected by the virus.
D.Chen Li’s cousin hasn’t infected by the virus.
