Observe the following statements:

Question

(1) Heavy water is harmful for the growth of animals

(2) Heavy water reacts with $Al_4C_3$ an dforms deuterated acetylene

(3) $BaCl_2.2D_2O$ is an example of interstitial deuterate

The correct statements are :

(a) 1 & 3

(b) 1 & 2

(c) 1,2 & 3

(d) 2 & 3