【題組:第37題到第39題】
Kaylen will start his trip from Cove. He plans to visit one of the old castles. He also wants to go birdwatching near the river. Which parts of the trail should Kaylen go on?
(A) Parts 1 and 2.
(B) Parts 1 and 2a.
(C) Parts 2 and 3.
(D) Parts 4 and 4a.