How will you expend the following sentence?

Original sentence: "I contacted Ms Jones, informing her that her son had been killed in a car accident."

which of the following sentences will be the most appropriate expansion retaining the meaning of original sentence?

a) I contact Ms Jone in order to inform her that her son .........

b) I contact Ms Jone and inform her that her son .........

c) I contacted Ms Jone. Ms Jone was informing her that ...........

d) None of the above. the original sentence is grammatically incorrect.