Final answer:
The best response to complete the if-else statement 'if the answer is green, then say "go!", else say "________"' is 'option c. stop'. This response is consistent with the context of traffic signals, where green means go and red means stop.
Step-by-step explanation:
When presented with an if-else statement in a computer program or logical scenario, we need to provide a logical alternative to the condition that if not met, triggers the else part. The statement given is 'if the answer is green, then say "go!", else say "________"'. When it comes to traffic lights, which this resembles, green traditionally means 'go', and the logical alternative is 'stop', which is associated with the red light. So, the response that best completes the if-else statement is option c. stop.
It's worth noting that responding to such statements typically involves understanding the context in which they are used. In the context of driving or traffic signals, green and red are universally recognized instructions related to the movement of vehicles, with green indicating the ability to proceed and red indicating the necessity to halt.
Therefore, contextual clues greatly assist in providing the correct response to complete the statement accurately. Remember, the system of traffic lights is a helpful example of an if-else scenario, but if-else statements can be used in various situations where one out of at least two possible outcomes will occur based on a specific condition or conditions being met.