The correct sequence of complete metamorphosis of an insect is
(a) egg $\longrightarrow$ immature form $\longrightarrow$ adult
(b) egg $\longrightarrow$ trochophore larva $\longrightarrow$ adult
(c) egg $\longrightarrow$ pupa $\longrightarrow$ larva $\longrightarrow$ adult
(d) egg $\longrightarrow$ larva $\longrightarrow$ pupa $\longrightarrow$ adult
(e) adult $\longrightarrow$ larva $\longrightarrow$ egg $\longrightarrow$ pupa