C. Carl had asked his mothers permission before he left town, this is the correct one because the keyword is "Had" and "before"
Answer:
If one thing happens and another follows, it's a conditional sentence. ... It simply means that one thing is required for something else to occur or exist. Explore the various types of conditional sentences and review a few examples of each. ... First conditionals (or Type 1 conditionals) dictate that a result is not certain, but very ...
Explanation: