Final answer:
Muslims are the majority in Bosnia, Kosovo, and Albania, which is option 'd' of the question. In other mentioned European nations like France and Germany, Muslims are a minority.
Step-by-step explanation:
In Europe, Muslims comprise a majority of the population in the following nations: Bosnia, Kosovo, and Albania. These countries have significant Muslim populations due to various historical developments, including their Ottoman past.
Contrary to options a, b, c, and e, where Muslims are not the majority, it is option 'd' that accurately reflects the nations in Europe where Muslims make up the majority of the population. Countries like France, Germany, Poland, Lithuania, Spain, and Portugal have Muslim minorities with varying percentages.