Final answer:
The term used to refer to both the People's Republic of China (PRC) and the Republic of China (ROC) or Taiwan is China. (option 1)
Step-by-step explanation:
The term used to refer to both the People's Republic of China (PRC) and the Republic of China (ROC) or Taiwan is China. Both the PRC and ROC consider themselves as the legitimate government of China, with the PRC controlling mainland China and the ROC controlling Taiwan.
Hence, the answer is option 1