Civil gate questions

The following two statements are made with reference to a simply supported under- reinforced RCC beam
I. Failure takes place by crushing of concrete before the steel has yielded.
II. The neutral axis moves up as the load is increased.
With reference to the above statements, which of the following applies?
(a) Both the statements are false.
(b) I is true but II is false
(c) Both the statements are true.
(d) I is false but II is true.