It appears that the Toyota shareholders are going to be nervous. This is because either Toyota fires its CEO, or its shareholders will be nervous, and Toyota refuses to fire its CEO.

a Causal argument

b Truth-functional argument

c Categorical argument

d Inductive generalization

Option - (A) : The best option to choose from is Casual argument.

Explanation:

Casual argument - In this type of argument a conclusion or result obtained is due to the effect produced by a specific term or function inside an institution, and for that we say that due to the reason which has caused disturbance at first is also responsible for increasing the rate of tension in the same institution.

In this case as shareholders are nervous due to the CEO, which Toyota finds out that the reason for the shareholders nervousness is the CEO but that they refuses to fire the CEO. As it will increase the rate of the shareholders nervousness.