Identify the correct set of statements :
$(a)$ The leaflets are modified into pointed hard thorns in Citrus and Bougainvillea
$(b)$ Axillary buds form slender and spirally coiled tendrils in cucumber and pumpkin
$(c)$ Stem is flattened and fleshy in Opuntia and modified to perform the function of leaves
$(d)$ Rhizophora shows vertically upward growing roots that help to get oxygen for respiration
$(e)$ Subaerially growing stems in grasses and strawberry help in vegetative propagation
Choose the correct answer from the options given below:

• A
  $(a)$ and $(d)$ Only
• B
  $(b), (c), (d)$ and $(e)$ Only
• C
  $(a), (b), (d)$ and $(e)$ Only
• D
  $(b)$ and $(c)$ Only