 
<translate> E nwere ngụkọta atọ ndokwa, nke bụ anyị nwere ike họrọ mmadụ abụọ ọ bụla si otu A na B, onye ọ bụla si otu A na C, na onye ọ bụla si otu B na C. Maka ndokwa ọ bụla, enwere ngụkọta nke 16 (4 * 4) ebe ọ bụ na otu ọ bụla nwere ndị egwuregwu 4. Ya mere, enwere ngụkọta nke ohere 48 (16*3). Enwere m olileanya na usoro a ga-adịrị gị mfe nghọta. Azịza ya bụ: (C). <eng> There are altogether three arrangements, which are we can select two members each from team A and B, each from team A and C, and each from team B and C. For each arrangement, there are altogether 16 possibilities (4*4) since each team has 4 players. So there are a total of 48 possibilities (16*3). I hope this method is easier for you to understand.
The final answer: (C). 