Study the code below, and indicate what the output will be:

string$[]$ books $=\{$ "Playing with the cats", "Story time", "Cooking with the natives", "How to brew tea", "The unnamed book" $\}$;

int$[]$ pages $=\{101,15,66,20,500\}$;

foreach$($string book in books$)$

$\{$

Console.WriteLine$($book $+""+$ book.Length$)$;

$\}$

a$.$

Playing with the cats $21$

Story time $10$

Cooking with the natives $24$

How to brew tea $15$

The unnamed book $16$

b$.$

Playing with the cats $101$

Story time $15$

Cooking with the natives $66$

How to brew tea $20$

The unnamed book $500$

c$.$

Playing with the cats System.Int$32[]$

Story time System.Int$32[]$

Cooking with the natives System.Int$32[]$

How to brew tea System.Int$32[]$

The unnamed book System.Int$32[]$

d$.$

$1013$

$152$

$662$

$202$

$5003$

e$.$

$101$

$15$

$66$

$20$

$500$