The strengths and weaknesses of each alternative become obvious in which step of the decision making-process?

The right answer is (C) Analyzing the alternatives

Agree with all experts <<<<<<<<<<<<<<

Agree with you all as C is the correct answer 

After you identify your options, you will have to perform the SWOT analysis to identify the strengths and weaknesses of each option. 

I also vote for C, Analyzing the alternatives. 

                                 >>>> (3 )  Analyzing  the  alternatives

(c)  <<<<<<<<<<Analyzing the alternatives  is the answer>>>>>

I will go for option C ........................................................

c) yes part of SWOT analysis 

(c)  Analyzing the alternatives

Once is done right, means the problem is identified and the solution is visible.

(C)   Analyzing the alternatives