Statement: It rained a lot last summer. Opposition: We had a few good trips to the beach.
A.
It rained a lot last summer although we had a few good trips to the beach.
B.
It rained a lot last summer, although we had a few good trips to the beach.
C.
We had a few good trips to the beach although it rained a lot last summer.
D.
We had a few good trips to the beach, although it rained a lot last summer.