Answer:
The correct answer will be option-C.
Step-by-step explanation:
A scientific method involves various sequential steps to answer and explain the scientific question of natural phenomenon.
The method begins with making an observation, asking questions, doing background research, proposing a hypothesis, doing experiments, collecting the data, analyzing the data and suggest conclusions based on the data.
In the given question, the step followed by the doing an experiment will be collecting data or gathering data therefore, Option-C is the correct answer.