Change into reported speech : dinny said , " l saw mr muskat yesterday" a ) dinny says that she saw mr muskat yesterday b ) dinny said that she had seen mr muskat c) dinny said that she had seen mr muskat the day before d) dinny that she saw mr muskat the day before e) dinny said that she saw mr muskat yesterday

Эти три варианта приемлемы:
a) Dinny says that she saw Mr Muskat yesterday.
b) Dinny said that she had seen Mr Muskat. (Но здесь нет обстоятельства времени.)
c) Dinny said that she had seen Mr Muskat the day before. 
В определённых обстоятельствах и этот вариант приемлем:
e) Dinny said that she saw Mr Muskat yesterday. (Если говорим в тот же день, когда и  Dinny говорила).