ক. how often does the bus run
খ. how often do the buses running
গ. how often will the bus run
ঘ. how often the bus runs ✔
ব্যাখ্যা: Embedded Question হওয়ার কারণে 'how often'-এর পর Subject (the bus) + Verb (runs) অর্থাৎ Assertive Structure অনুসরণ করবে।
বিজ্ঞাপন