Make the correct pair:
$1. \text{ Osculum}$$p. \text{ Fasciola}$
$2. \text{ Hypostome}$$q. \text{ Ctenoplana}$
$3. \text{ Comb jellies}$$r. \text{ Spongilla}$
$4. \text{ Hook and sucker}$$s. \text{ Meandrina}$

  • A
    $1-r, 2-s, 3-q, 4-p$
  • B
    $1-p, 2-q, 3-r, 4-s$
  • C
    $1-s, 2-p, 3-q, 4-r$
  • D
    $1-q, 2-r, 3-s, 4-p$

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