Which type of solution stated below shows the following properities ? $\;$(1) Homogeneous in nature $\;$ (2) It cant be separated by ultra filtration $\;$ (3) The appearance is transparent .

Question

$(a)\;Suspension\qquad(b)\;Colliod\;solution\qquad(c)\;True\;solution\qquad(d)\;Heterogeneous\;solution$