In \odot C, point R, M, N, L are on the circle, and M L is the diameter. \angle M C R = x - 1 degrees and \angle R C L = 3x + 5 degrees. Find m \angle R C M.
Choices:
A:27
B:43
C:47
D:67
Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
Question: In \odot C, point R, M, N, L are on the circle, and M L is the diameter. \angle M C R = x - 1 degrees and \angle R C L = 3x + 5 degrees. Find m \angle R C M.
Choices:
A:27
B:43
C:47
D:67
Please first conduct reasoning, and then answer the question and provide the correct option letter, e.g., A, B, C, D, at the end.
Question: In \odot C, point R, M, N, L are on the circle, and M L is the diameter. \angle M C R = x - 1 degrees and \angle R C L = 3x + 5 degrees. Find m \angle R C M.
Choices:
A:27
B:43
C:47
D:67