A. The Chairman proposed to the members to drop the matter that day.
B. The Chairman proposed to the members that they should drop the matter today.
C. The Chairman proposed to the members that they should drop the matter that day.
D. The Chairman proposed to the members that they might drop the matter today.
Explanation: Indirect speech করার সময় প্রস্তাব বুঝাতে proposed to বসে, Inverted কমার স্থানে that বসে, let থাকলে subject বসে, subject এর পরে should বসে এবং today পরিবর্তিত হয়ে that day বসে।
