$1\mathrm{.}5.(2$points$)$ In the following problem which of the statement$($s$)$ are true about finding forces in all

three members of the truss?

A$)$ You can find all forces by method of joints

B$)$ You need method of sections to solve the problem completely and one cannot solve for all the

forces by the method of joints

C$)$ The problem is statically indeterminate and you cannot find the forces in all members by statics

alone.

D$)$ None of the above. can you explain which option is right and why. Thank you