Arrange the parts of the following sentence in the correct order:
(A). we shall at last
(B). do a thing however difficult it may be
(C). if we are really determined to
(D). find a way to do it
Choose the correct answer from the options given below:
1. (A), (C), (D), (B).
2. (B), (D), (A), (C).
3. (D), (C), (B), (A).
4. (C), (B), (A), (D).

A

1

B

2

C

3

D

4