A fisherman earns his livelihood ...... catching and selling fish. A by B for C at D in A fisherman earns his livelihood ...... catching and selling fish. Correct Answer for Bissoy MCQ Team Jun 02, 2023 English A ইউনিট যশোর বিজ্ঞান ও প্রযুক্তি বিশ্ববিদ্যালয়