He is poor but he is honest. (Complex)

Explanation:

Correct Answer is: Though he is poor, he is honest
• প্রশ্নে উল্লেখিত বাক্যটি একটি compound sentence.
– Compound sentence এ but থাকলে Complex sentence এর ক্ষেত্রে Though/ Although ব্যবহৃত হয়.

• Complex sentence: 
– যে sentence এ একটি Principal clause এবং এক বা একাধিক Subordinate clause থাকে, তাকে Complex sentence বলে। 
– Complex sentence এর subordinate clause এর শুরুতে সাধারণত if, though, although, as, because, since, so that, that, until, till, unless, when, why, who, which, where, how, before, after, whether, while বসে।

সুতরাং নিয়মানুযায়ী – 
Compound sentence: He is poor but he is honest
Complex Sentence: Though he is poor, he is honest.