Read the sentences below from the text.


“Incongruously, her frenetic movements produce a minuscule lace fragment. In
fact, a full day’s work yields just a few inches of delicate finery.
“The extraordinarily laborious craft of bobbin lace (renda di bilros in Portuguese)
came to Brazil along with Portuguese colonists who claimed its beautiful
northeastern coastline as their own in the seventeenth century.”

What is the meaning of laborious based on the sentences below from paragraphs 1
and 2?
A easily performed
B extremely dull
C excessively difficult
D quickly finished