Which sentence from the section "Life in the field" BEST supports the idea that fossil hunting requires patience?

A
In 1959, Mary discovered a 1.75-million-year-old skull.
B
Until the 1950s, fossil hunting was filled with confusion.
C
The couple worked with a dental pick and an artist’s brush.
D
Things changed with the arrival of radiometric dating.

Which sentence from the section Life in the field BEST supports the idea that fossil hunting requires patience A In 1959 Mary discovered a 175millionyearold sku class=