Change "Select Option" button text

gistfile1.php

add_filter( 'woocommerce_product_add_to_cart_text' , 'custom_woocommerce_product_add_to_cart_text' );
 
/**
 * custom_woocommerce_template_loop_add_to_cart
*/
function custom_woocommerce_product_add_to_cart_text( $text ) {
	global $product;
	
	$product_type = $product->product_type;
	
	if ( $product_type == 'variable' ) {
			return __( 'Select options', 'woocommerce' );
	}
	
	return $text;
}

Thx!