Which of the following is a complex sentence?
A. Many food are poison tu us
C. I am sure of his success
D. This letter proves that he is honest
সঠিক উত্তরঃ
D.
This letter proves that he is honest
Explanation: Retina Digest-1 page-232; Question =01; That, in order that, so that এগুলো দ্বারা দুটি clause যুক্ত থাকলে সেটি complex sentence