Which place bacteria are not found-

Match the column I with Column II

Which one is/are correct match?

Organisms which are found in freshwater as well as in the marine environment, they are microscopic and float passively in water current (plankton). Most of them are photosynthetic. The cell wall form two thin overlapping shell, which fit together as in a soapbox.

Organisms which possess above characters are:

Read the following four statements $(A-D)$ and answer as asked next to them.
$\left(A\right)$ All single celled eukaryotes are placed under protista
$\left(B\right)$ Most of the organism of chrysophytes are photosynthetic.
$\left(C\right)$ Dinoflagellates appear yellow, green brown, blue or red depend on the main pigments present in their cells.
$\left(D\right)$ Chloroplast absent in Euglena.

How many of the above statement are correct?