Consider the following statements
(A) Plant cells have centrioles which are absent in almost all animal cells
(B) Ribosomes are the site of protein synthesis
(C ) The middle lamella is a layer mainly of calcium carbonate which holds the different neighbouring cells together
(D) In animal cell steroidal hormones are synthesized by smooth endoplasmicreticulum
Of the above statements
A. (A) and (B) only are correct
B. ( C) and (D) only are correct
C. (B) and (D) only are correct
D. (A) and (D) only are correct