A is correct. They lost once each in the EHF Cup and the Champions League, and drew once in the EHF Cup.
B is correct. Metz are playing their 21st Champions League season, while Rostov are in their eighth appearance in this competition.
C is correct. Mayonnade steered the Netherlands to a 33:32 win against Martin and Russia in December 2019.
B is correct. Rostov beat Metz in the 2019 semi-final, 27:25.
C is correct. Nine current Rostov players and six from the current Metz squad.
A is correct. Dutch internationals Lois Abbingh (Rostov) and Martine Smeets (Metz).