Which one is correct?

A he joined to the army in 1990

B he joined in the army in 1990

C he joined with the army in 1990

D he joined the army in 1990

Correct Answer: Option D

যোগদান করা বা সদস্য হওয়া অর্থে Join হচ্ছে transitive verb তাই এর পরে কোনো preposition বসে না।