introducing solid food

Hi mga momshies, yung baby q KC halos lhat ng mhwakan nya sinusubo n nya, at pg kumakain kmi Prang gusto n nyang kumain, ngumunguya n sya at minsan nkatitig tlga sya sa food, shes turning 4 months on 29,pwede nB syang pkainin? Minsan KC naaawa kmi pg nktingin sya at nttkam s pgkain. I will appreciate your comments, thanks...